6165 results about "Quantum mechanics" patented technology

A magnetic component assembly for a mobile device provides an improved connection between a mobile device and other mobile accessories. The magnetic component assembly may comprise an array of magnetic attachment elements enclosed in a structure and configured to magnetically align and attach to a corresponding array of magnetic elements disposed in a mobile device, a mobile device accessory, or another assembly component. Additional attachment features and elements disposed in or attachable to the assembly may provide further engagement or attachment options. The assembly may incorporate different combinations of components to adapt the assembly for different use-cases and provide greater utility. Various magnetic component assemblies may be suitable for use with a variety of mobile devices and accessories such as covers, cases, wallets, chargers, mounts, grips, and supports.

The present invention relates to a magnetic resonance system and a gradient amplifier filter for a magnetic resonance system. The filter includes a plurality of non-magnetic core inductors and a printed circuit board having a multilayer structure, a plurality of filter capacitors being formed in a plurality of regions of the printed circuit board, respectively, wherein each non-magnetic core inductor is provided on the printed circuit board and spanning two of the plurality of filter capacitors.

Dipole engineering techniques for devices of stacked device structures are disclosed herein. An exemplary method for forming a gate stack of a transistor (e.g., a top transistor) of a transistor stack includes forming a high-k dielectric layer, forming a p-dipole dopant source layer over the high-k dielectric layer, performing a thermal drive-in process that drives a p-dipole dopant from the p-dipole dopant source layer into the high-k dielectric layer, and forming at least one electrically conductive gate layer over the high-k dielectric layer after removing the p-dipole dopant source layer. A drive-in temperature of the thermal drive-in process is less than 600° C. (e.g., about 300° C. to about 500° C.). The p-dipole dopant can be titanium. The method can further include tuning thermal drive-in process parameters to provide the gate dielectric with a p-dipole dopant profile having a peak located at a high-k / interfacial interface ±0.5 nm.

The invention relates to the technical field of electromagnetic coils, in particular to a laminated planar spiral coil winding. The laminated planar spiral coil winding is formed by laminating at least two layers of planar spiral coils, the spiral center fitting line formed by each turn of wire is linear, the planar spiral coils occupy the whole winding plane, the strong magnetic center deviates from the geometric center of the planar spiral coils, and the phases of the winding are different in layer. The invention aims to provide competitive choices for the axial flux motor winding, such as high copper full rate, low copper loss, large air gap, easy heat dissipation and low production cost.

The invention specifically discloses a circular polarization selection type wavefront shaping device of a terahertz wave band and a use method, and relates to the technical field of terahertz application. The device comprises a dielectric substrate layer and a dielectric cylinder microstructure layer, wherein the dielectric cylinder microstructure layer is arranged at the top of the dielectric substrate layer; the dielectric cylinder microstructure layer is composed of supramolecular dielectric cylinders arranged in an array mode, and each supramolecular dielectric cylinder is composed of a first dielectric cylinder superatom and a second dielectric cylinder superatom which are different in size. The first dielectric cylinder superatoms and the second dielectric cylinder superatoms are of sub-wavelength structures, and the distances between the dielectric cylinder superatoms in the adjacent rows and between the dielectric cylinder superatoms in the adjacent columns are smaller than the wavelength of incident terahertz waves. The first dielectric cylinder super atoms and the second dielectric cylinder super atoms and the corresponding substrates form geometric phase units respectively, and the dielectric cylinder rotation angles of the first dielectric cylinder super atoms and the second dielectric cylinder super atoms change along with coordinates. The device realizes selection and wavefront shaping of right-handed or left-handed circularly polarized terahertz waves, and can be widely applied to the fields of terahertz polarization spectrum measurement and imaging.

A resonant capacitor Crk (k is a natural number of one to n) of each circuit element has one end connected in series to a resonant reactor Lr and a primary winding N1 of a transformer T, and another end connected to the resonant capacitor Crk of another circuit element 10 so that a dimensional multiphase LLC converter having a phase difference of 360° / Pk is constructed by Pk (Pk is an optional natural number) of the circuit elements 10.

The invention belongs to the technical field of computer aided design and structural design, and discloses a multi-scale lattice structure and a design method thereof. The design method comprises the following steps: S1, designing a cubic unit cell with eight symmetrically distributed corner nodes according to a cubic lattice structure; s2, all the lattice unit cells are zoomed, one part of the lattice unit cells are zoomed into small lattice unit cells with the size being half of the original size, and the other part of the lattice unit cells are large lattice unit cells with the original size reserved; s3, in the macroscopic lattice structure, arranging the position relation of the small lattice unit cells and the large lattice unit cells; and S4, through a computer aided design method, adjusting the macroscopic lattice structure by adopting a large and small lattice unit cell connection mode based on rod diameter transition. A multi-scale large and small lattice unit cell arrangement mode is introduced into the lattice structure, so that the lattice structure has better mechanical performance under the same compression load.

A control system for a network of quantum systems operates the network to perform quantum informatics processing. The control system includes an entanglement scheduler configured to identify operations for which entanglement of two or more of the quantum systems is desired, identify plural potential entanglement attempts for generating the entanglement; and schedule at least some of the potential entanglement attempts to be performed to generate the entanglement for at least one of the operations. The entanglement scheduler may use direct entanglement, entanglement swapping and / or quantum teleportation approaches to generate the entanglement. The entanglement scheduler may schedule probabilistic entanglement attempts based at least in part on the probability of success of the entanglement attempts. The entanglement scheduler may generate entanglement to support plural branches of a quantum informatics process and / or to respond to events occurring while the quantum informatics process is executing.

This invention provides a Rydberg-atom based electromagnetic field detector array comprising a plurality of Rydberg-atom based electromagnetic field detectors, wherein each Rydberg-atom based electromagnetic field detector is divided into a plurality of units, each unit of the plurality of units being either: a variable transparency unit configured to vary its transparency by the Electromagnetically Induced Transparency, EIT, effect and further vary its transparency in response to an incident electromagnetic field, or a separator unit, wherein a sequence of one or more variable transparency units and one or more separator units of the plurality of units for a Rydberg-atom based electromagnetic field detector uniquely identifies that Rydberg-atom based electromagnetic field detector in the Rydberg-atom based electromagnetic field detector array.

Base station antennas include a reflector; a first plurality of cross-dipole radiating elements that are arranged as a first array of cross-dipole radiating elements, each cross-dipole radiating element comprising a first dipole radiator having a first dipole arm and a second dipole arm and a second dipole radiator having a third dipole arm and a fourth dipole arm; and a plurality of parasitic monopole elements that are associated with a first of the cross-dipole radiating elements, each parasitic monopole element including a monopole radiator, wherein at least half of each monopole radiator is positioned within a footprint of the first and second dipole radiators of the first of the cross-dipole radiating elements when the first of the cross-dipole radiating elements is viewed from the front.

Methods for detecting diffusing particles are provided which comprise introducing a sample comprising a diffusing particle to an optical microcavity; coupling probe light into the optical microcavity such that the probe light is in resonance with the optical microcavity, wherein the diffusing particle diffuses into an optical mode volume defined by the coupled probe light; and detecting output light from the optical microcavity as a function of time while maintaining resonance, wherein the diffusing particle generates a change the detected output light. Systems for carrying out the methods are also provided.

The invention relates to an HBV magnetic bead as well as a preparation method and application thereof. The HBV magnetic beads are HBV magnetic beads with molecular tag primer sequences, poly (dT) and N HBV specific capture probes are coupled and modified, and N is a positive integer and is greater than or equal to 1. The HBV specific capture probe is selected from the following groups: (a) a pgRNA probe; (b) an S probe; (c) an X probe; (d) an rcDNA probe; (e) a cccDNA probe; wherein the pgRNA probe targets a positive chain pgRNA region of the HBV, the S probe targets a positive chain S region of the HBV, the X probe targets a positive chain X region of the HBV, the rcDNA probe targets a negative chain rcDNA region of the HBV, and the cccDNA probe targets a negative chain cccDNA region of the HBV. By adopting the novel HBV magnetic bead, the enrichment of HBV sequences can be greatly improved.

The invention relates to the field of computational imaging, in particular to a computational imaging method of a crossed strip-shaped anode single-photon detector, which comprises the following steps of: screening effective data through full-view-field illumination, and calculating an average output signal amplitude of each anode strip and a total average output signal amplitude of all anode strips to obtain a correction factor; the method comprises the following steps of: correcting an original output signal of each anode strip by adopting a correction factor during target imaging, performing effective signal data screening on the corrected original output signal, substituting effective signal data into a Gaussian algorithm to calculate an incidence position coordinate, mapping the incidence position coordinate to a mapping matrix, and stretching the incidence position coordinate to a 256 gray level for display. According to the calculation imaging method provided by the invention, the fixed mode noise can be suppressed, the imaging resolution is improved, and the image distortion is reduced.

To provide a quantum hash value generation system with quantum resistance, a quantum hash value generation method, and a blockchain network.SOLUTION: A quantum hash value generation system 1 includes a quantum state generator 2 configured to generate an input quantum state based on input data composed of an input bit string including a plurality of input bits, a quantum device 4 configured to convert the input quantum state into an output quantum state, a quantum measuring instrument 5 configured to acquire measurement values of the output quantum state by measuring the output quantum state, a measurement value analysis unit 320 configured to calculate a statistical index of the measurement values based on a probability distribution of the measurement values, and a quantum hash value generation unit 340 configured to generate a quantum hash value of the input data based on the statistical index of the measurement values.SELECTED DRAWING: Figure 1

Modular Rydberg architectures for fault tolerant quantum computing are provided. A first array and a second array of neutral atoms are provided. Each neutral atom has a first state and an excited Rydberg state. Each neutral atom is arranged to impose a Rydberg blockade on at least its nearest neighbors in its array when in the excited Rydberg state, thereby implementing a plurality of physical qubits. Each array comprises data qubits, and syndrome qubits. The syndrome qubits are configured to implement a quantum error correcting code with respect to the data qubits. Each array includes a subarray of communication qubits having a lower dimensionality than the array. Each communication qubit of the first subarray forms a Bell pair with one communication qubit of the second subarray. The first and second arrays of neutral atoms are configured to interact with each other only via the communication qubits.

Radiating elements comprise a first dipole radiator that includes a first dipole arm and a second dipole arm, a second dipole radiator that includes a third dipole arm and a fourth dipole arm and first through fourth electromagnetic bandgap structures that are coupled to distal end portions of the respective first through fourth dipole arms.

Systems and techniques may generally be used for modifying quantum entangled bit communication. An example technique may include generating, at a first node in a computing network, a random number using a quantum derived seed as input to a random number generator; modifying a program using the random number while maintaining a function output of the program for a given input; receiving, at the first node from a second node, an input based on the random number; and executing the modified program at the first node using the input to obtain an output consistent with the program in an unmodified state.

An information processing apparatus causes a quantum computer to perform a first gate operation in accordance with an ancilla state generation circuit representing a procedure of generating a code including a logical qubit representing an ancilla state and a gauge qubit representing a redundant degree of freedom other than the ancilla state. Next, the information processing apparatus causes the quantum computer to perform a second gate operation in accordance with an error detection circuit representing a procedure of detecting an error occurring in a plurality of physical qubits constituting the code generated by the first gate operation. Then, the information processing apparatus determines the presence or absence of the error on the basis of a measurement value obtained by the second gate operation, the measurement value indicating the state of the gauge qubit.

A magnetic memory device includes a spin-orbit interaction active core having a number of layers stacked along a longitudinal axis and a magnetic junction extending around the longitudinal axis and substantially surrounding at least a portion of the spin-orbit interaction active core. The magnetic junction includes a free layer, a reference layer, and a tunnel barrier layer between the free layer and the reference layer.

The invention provides a sleep assisting system based on photoacoustic magnetic vibration wave resonance, and relates to the technical field of sleep assisting. The system comprises an acquisition unit, a processing unit, a stimulation unit and an evaluation feedback unit. Determining a sleep stage of the user, analyzing phases of multi-scale electroencephalogram rhythm components such as slow waves and spindle waves in a cross-scale manner, and extrapolating and predicting a phase value of a target electroencephalogram rhythm at a future moment in combination with a recent phase trajectory; taking the predicted phase as a target state, mapping a rising / falling slope of a slow wave form into an intensity change parameter of photoacoustic and magnetic vibration stimulation by constructing a mapping channel, and selecting an optimal stimulation combination for output through a decision model based on the intensity change parameter; calculating a phase locking effect index, and adjusting a phase prediction model parameter by using an optimization algorithm according to the index so as to optimize subsequent stimulation; and linkage regulation and control of an external environment are supported, and centralized monitoring of sleep states of multiple users can be realized. According to the invention, self-adaptive guidance of sleep brain rhythms is realized, and the sleep quality is effectively improved.

An ion exchange filter (100) comprising: an outer housing (1) comprising a coolant inlet (2) and a coolant outlet (12); and an ion exchange device (11) configured to be disposed within the outer housing (1). The ion exchange device (11) comprises: an inner housing (5) configured to be inserted within the outer housing (1), the ion exchange filter (100) further comprising an inlet chamber (16) defined between a bottom portion of the inner housing (5) and a bottom portion of the outer housing (1); an ion exchange element (6) disposed within the inner housing (5) and configured to adsorb conductive ions in a coolant liquid; and an upper cover (10) removably connected to the inner housing (5) and to the outer housing (1), the ion exchange filter (100) further comprising an outlet chamber (73) defined between a top portion of the inner housing (5) and the ion exchange element (6).

The dielectric filter with the built-in negative coupling structure comprises a dielectric block, a conductive layer and the negative coupling structure, at least two resonance holes are formed in the dielectric block, the conductive layer is laid on the surface of the dielectric block and the inner walls of the resonance holes, and the negative coupling structure is arranged between two adjacent resonators divided by the two resonance holes. The negative coupling structure comprises the two conducting strips which are arranged in parallel at an interval and the metalized via hole for connecting the two conducting strips, and the conducting strips and the metalized via hole are embedded in the dielectric block and are not connected with the resonance hole and the conducting layer, so that coupling can be realized in the dielectric block, exposure is not needed, and the strength is not reduced; according to the manufacturing method of the dielectric filter, the defects of deformation, local collapse and the like generated during firing can be avoided, the size of the dielectric filter can be greatly reduced, the requirement for miniaturization is met, the conducting strips and the metalized via holes are arranged in a prefabrication machining mode, the machining precision is high, the zero point position control is accurate, implementation is easy, and the yield is high.

Systems, methods, and computer-readable media of implementing a qubit gate for non-classical computing include implementing a qubit gate on a qubit of an array of qubits, wherein qubit states of said qubit are within a metastable manifold, wherein said qubit states are nuclear spin states, and wherein said qubit gate comprises a multi-photon transition through an intermediate metastable state.

The invention discloses a TPMS (Tire Pressure Monitor System) lattice design method, a lattice structure, a storage medium and a device, which are applied to the technical field of TPMS lattices, and the design method comprises the following steps: establishing a coordinate system o-xyz by taking the lattice direction of a TPMS basic unit cell as a reference; gradient transformation is carried out on the TPMS basic unit cells in the x-axis direction, and a gradient column structure is obtained; performing gradient transformation on the gradient column structure along the y-axis direction to obtain a gradient layer structure; array copying is conducted on the gradient layer structure in the z-axis direction, and a TPMS lattice is obtained. The lattice structure is obtained by adopting the design method. A terminal program is stored in the storage medium, and the design method is carried out when the terminal program is executed. The device comprises a memory, a processor and a computer program in which steps corresponding to the design method are stored. The TPMS lattice structure is expanded from one direction to a plurality of directions, so that the lattice structure can form continuously changing rigidity distribution in a plurality of lattice directions, a multi-direction continuous stress diffusion path is formed, and the impact resistance of the TPMS lattice is further improved.

The invention relates to the technical field of superconducting cyclotrons, and discloses a spiral resonant cavity for a superconducting cyclotron, which comprises an upper resonant cavity body and a lower resonant cavity body, and the upper resonant cavity body is positioned right above the lower resonant cavity body; through distributed waterway design and structural optimization, the cooling system can effectively process heat generated in the accelerator; efficient heat dissipation of the system is ensured through design means such as a multi-directional cooling channel, an oxygen-free copper brazing pipeline and a double-path independent cooling pipe, excessive accumulation in a high-temperature area is avoided, and meanwhile the stability of equipment can be kept in long-time operation; the structure of the single inner rod is convenient for voltage distribution adjustment, the structure is simple and compact, and the processing complexity and the manufacturing cost are greatly reduced; a core component solution with high reliability and low operation and maintenance cost is provided for the superconducting cyclotron, and application efficiency upgrading in the fields of medical treatment, scientific research and the like is promoted.

Aspects of the present disclosure relate generally to systems and methods for use in the implementation and / or operation of quantum information processing (QIP) systems, and more particularly, to a double individual-addressing multi-beam Raman system for use in QIP systems. A technique is described in which a first multi-channel modulator (MCM), a first telecentric zoom lens, and a first interleaver that form a first optical path of the Raman system that receives a first array of beams and adjusts the first array of beams to individually address atomic-based qubits in a chain from a first direction. Moreover, a second MCM, a second telecentric zoom lens, and a second interleaver form a second optical path of the Raman system that receives a second array of beams and adjusts the second arrays of beams to individually address the atomic-based qubits in the chain from a second direction different from the first direction.

The invention discloses a superconducting connector for a star simulator and a superconducting cable assembly. The superconducting connector comprises a supporting seat, a connector guide seat and a clamping assembly which are fixedly connected in sequence in the length direction of the superconducting connector. A first boss and a second boss are arranged on the supporting seat in a spaced mode in the extending direction perpendicular to the length direction, a through hole is formed in each boss in the first boss and the second boss, a first guide hole and a second guide hole are formed in the connector guide seat in a spaced mode, and the clamping assembly comprises a first sleeve and a second sleeve which are arranged in the extending direction in a spaced mode. According to the superconducting connector, when the first superconducting cable and the second superconducting cable are electrically connected, the first cable connecting part and the second superconducting cable connecting part are jointly limited by the supporting seat, the guide seat and the clamping assembly, so that the risks of deviation, hinging and disconnection of the connecting position of the first superconducting cable and the second superconducting cable are reduced; therefore, current can be stably conducted between the first superconducting cable and the second superconducting cable.

A quantum processor is discussed. the quantum processor having a flux compensation circuit communicatively coupled to a first qubit. The flux compensation circuit includes a quantum flux parametron (QFP) flux pump circuit with a first QFP in communication with the first qubit and a storage circuit with a second Josephson junction and a storage loop coupled in series with the QFP flux pump circuit. The communication between the QFP flux pump circuit and the storage loop is mediated by the second Josephson junction. A first control line is in communication with the first Josephson junction and a second control line is in communication with the second Josephson junction. In use. flux stored in the storage loop back acts on the first qubit.

The invention belongs to the technical field of vacuum coating, and relates to an electron gun and ion source collaborative evaporation coating method, a control method and a control system. The electronic gun and ion source collaborative evaporation coating control method comprises the steps that key parameters in the coating process are continuously collected, and an electronic gun beam initial value and an ion source gas flow initial value are dynamically generated according to state diagnosis results of all the parameters; the beam current value of the electron gun and the gas flow value of the ion source are corrected in real time to inhibit the disturbance of the ion source to the beam current of the electron gun, and the electron gun and the ion source are cooperatively regulated and controlled to ensure the precise control of the coating uniformity; the invention further discloses an electron gun and ion source collaborative evaporation coating method, local hot spot compensation and global uniformity compensation are carried out by adopting a film thickness compensation mechanism so as to accurately control the film thickness. According to the invention, the cooperative control of the electron gun evaporation and ion bombardment process is realized, the film adhesion is enhanced, the evaporation coating rate is improved, and the film thickness uniformity is improved.

The invention discloses an ion trap quantum computing system and device, a control method and a storage medium. The system comprises a target ion storage area formed by a quantum charge-coupled device, a control area, a combination area communicating the target ion storage area and the control area, and a collaborative cooling ion storage area collinearly arranged with the control area, wherein the control area is located between the combination area and the collaborative cooling ion storage area; the target ion storage area is used for storing target ions and moving the target ions to the control area through the binding area; the collaborative cooling ion storage area is used for storing collaborative cooling ions and moving the collaborative cooling ions to the control area; and the control area is used for enabling the collaborative cooling ions to carry out collaborative cooling on the target ions, moving the collaborative cooling ions out of the control area after collaborative cooling is completed, and then executing quantum logic gate operation on the target ions. According to the scheme, the problem of quantum state dephasing noise enhancement caused by collaborative cooling can be solved.