A continued fraction resummation form of bath
... QKE approach. For a small site-site coupling strength, the full quantum kinetic rate kernel can be obtained straightforwardly as the sum of K (2k) up to a converged expansion order. For a large site-site coupling strength which is no longer a small perturbation term, this simple summation cannot be ...
... QKE approach. For a small site-site coupling strength, the full quantum kinetic rate kernel can be obtained straightforwardly as the sum of K (2k) up to a converged expansion order. For a large site-site coupling strength which is no longer a small perturbation term, this simple summation cannot be ...
Quantum Heat Engines and Refrigerators: Continuous Devices
... The device operates as a refrigerator by removing an excitation from the cold bath as well as from the work bath and generating an excitation in the hot bath. The term ↠b̂ĉ in the Hamiltonian of Equation 6 describes this action (see Section 3). One can employ different types of heat baths, inclu ...
... The device operates as a refrigerator by removing an excitation from the cold bath as well as from the work bath and generating an excitation in the hot bath. The term ↠b̂ĉ in the Hamiltonian of Equation 6 describes this action (see Section 3). One can employ different types of heat baths, inclu ...
The many-worlds interpretation of quantum - Philsci
... of consciousnesses, not a multiplicity of physical systems, and the "branching" that occurs is also an essentially psychological process that occurs when a consciousness observes a superposed system: the conscious system goes into superposition, as the Schrodinger equation implies, but thereby split ...
... of consciousnesses, not a multiplicity of physical systems, and the "branching" that occurs is also an essentially psychological process that occurs when a consciousness observes a superposed system: the conscious system goes into superposition, as the Schrodinger equation implies, but thereby split ...
New Class of Quantum Error-Correcting Codes for a Bosonic Mode
... coherent states. To create more useful quantum superpositions of photon Fock states which can store quantum information, it is necessary to couple the bosonic mode to a nonlinear element, e.g., a superconducting qubit [41,42], a trapped ion [45–48], or a Rydberg atom [32,33]. Experiments have demons ...
... coherent states. To create more useful quantum superpositions of photon Fock states which can store quantum information, it is necessary to couple the bosonic mode to a nonlinear element, e.g., a superconducting qubit [41,42], a trapped ion [45–48], or a Rydberg atom [32,33]. Experiments have demons ...
Physics at the FQMT`04 conference
... measurements. The characteristic phenomena for these ‘‘mesoscopic’’ systems are quantum coherence and decoherence, (‘‘thermal’’ and quantum) fluctuations and related noise in measured characteristics, tunnelling effects and dissipation. Under these conditions it is really hard to create a theory for ...
... measurements. The characteristic phenomena for these ‘‘mesoscopic’’ systems are quantum coherence and decoherence, (‘‘thermal’’ and quantum) fluctuations and related noise in measured characteristics, tunnelling effects and dissipation. Under these conditions it is really hard to create a theory for ...
Quantum teleportation
Quantum teleportation is a process by which quantum information (e.g. the exact state of an atom or photon) can be transmitted (exactly, in principle) from one location to another, with the help of classical communication and previously shared quantum entanglement between the sending and receiving location. Because it depends on classical communication, which can proceed no faster than the speed of light, it cannot be used for faster-than-light transport or communication of classical bits. It also cannot be used to make copies of a system, as this violates the no-cloning theorem. While it has proven possible to teleport one or more qubits of information between two (entangled) atoms, this has not yet been achieved between molecules or anything larger.Although the name is inspired by the teleportation commonly used in fiction, there is no relationship outside the name, because quantum teleportation concerns only the transfer of information. Quantum teleportation is not a form of transportation, but of communication; it provides a way of transporting a qubit from one location to another, without having to move a physical particle along with it.The seminal paper first expounding the idea was published by C. H. Bennett, G. Brassard, C. Crépeau, R. Jozsa, A. Peres and W. K. Wootters in 1993. Since then, quantum teleportation was first realized with single photons and later demonstrated with various material systems such as atoms, ions, electrons and superconducting circuits. The record distance for quantum teleportation is 143 km (89 mi).