2-state quantum system
N state random switching based on quantum tunnelling
... between state changes is reduced for increasing ...the system to switch to HH, whilst this probability decreases when lower currents are ...only 2 HH peaks in Figure 4-b ...
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Macroscopic Quantum System, Highly Correlated Electron State, and High Temperature Superconductivity in Iron Pnictides
... superconducting state (the Meissner effect), the model of superconductiv- ity based on π bonding is able to explain the origin of persistent ...their state cannot be considered as a state of ...plane ...
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Multiple State Quantum Carnot Engine
... of quantum Carnot heat engine employing a single quan- tum-mechanical particle confined to a potential well with a multiplestate ...of 2-state was generalized to n-state qualitatively without ...
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Duality in 2+1D quantum elasticity: superconductivity and quantum nematic order
... a 2 + 1D Bose system, superfluidity can arise in a strict quantum field-theoretic ...of quantum elasticity (describing phonons) as a literal quantum field theory with a bosonic statistic, ...
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Experimental implementation of a quantum optical state comparison amplifier
... the state compari- son amplifier provides a significantly higher fidelity than all of the other amplifiers if we restrict the alphabet to N ¼ 2 ...the state comparison ...complex quantum ...
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Experimental demonstration of quantum teleportation of a squeezed state
... squeezed state. Figure 3(a) shows the input squeezed state measured by a spectrum ...coherent state. The squeezed output state is shown in ...output state are ...
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Quantum annealing and digital quantum ground state preparation algorithms
... Schrödinger evolution in the absence of any external bath. On the practical side, we might add that while a coherent-QA evolution is quite easy to perform here — you just have to integrate 2N × 2N BdG equations for the ...
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Preparation of quantum state (review)
... encryption system [7], [8]. The main threat of this encryption system is the invention of the quantum computer, which potentially has the computing power billions of times faster than the current ...
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Diamond as a Solid State Quantum Computer with a Linear Chain of Nuclear Spins System
... a quantum CNOT and CCNOT gates as a function of several ...NOT quantum gate is obtained using a π -pulse duration ( τ = π Ω ) with this ...= 2, J = / 0, J′ = 0 ) and CCNOT ...
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Quantum state comparison and the universal-NOT operation
... of quantum information has identified unexpected resources for communications, computation and for metrology ...a system prepared in an unknown ...the quantum limit for the operation of a symmetric ...
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Quantum Heat Engines; Multiple State 1D Box System
... of quantum mechanical systems of mesoscopic and even macroscopic sizes, which can also be restricted to a rela- tively small number of energy states ...these quantum systems directly in rela- tion to the ...
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Can a quantum state over time resemble a quantum state at a single time?
... the state over time is not assumed to be Hermitian, then theorem ...of 2 by regarding them as composite systems made up of qubits, but then there is an arbitrariness in the choice of how to factorize the ...
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Quantum Walk of Two Quantum Particles on One Dimensional System
... step quantum walk on a chain of length 21 and calculate the correlation ...Figure 2 both correspond to the first initial state in which two spin up particles locate on two different sites in the ...
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Relativistic Dynamics of a Quantum System
... the system, move in the same inertial frame, hence any transformations of radius vector and time coordinate or energy and momentum of given particle between different inertial systems are not ...stationary ...
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Information length in quantum system
... remains in the ground state, ψ keeping the original width, as expected. When the width of ψ(x ′ , 0) in Eq. (4) deviates from that of the ground state wave function, β in Eq. (21) oscillates in time with ...
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Linear, Bidirectional and Circular Controlled Quantum Teleportation and Quantum State Sharing using a Seven Qubit Genuinely Entangled State
... resource state (35), one can present generalised conditions and transformations required for the teleportation of an n-qubit ...the system and allows us to maintain one level of entanglement (intra- ...
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Quantum computation with realistic magic-state factories
... Fig. 2) but able to produce more qubits in the same time as lower-k ...d 2 physical qubits to store the information in the rotated lattice surface code ...
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Advantages of unfair quantum ground-state sampling
... To understand whether there is merit in using a DW2 processor alongside an SA algorithm for the purpose of producing a more balanced distribution of ground-states, we compare the bias of using SA alone vs. using SA ...
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Robust quantum state engineering through coherent localization in biased-coin quantum walks
... the quantum walk distribution resulting from the use of a small coin parameter [30] turns out to be a remarkably efficient way to postselect important types of non-classical ...in state-of-the-art linear ...
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SU(2) decomposition for the quantum information dynamics in 2 d-partite two-level quantum systems
... ( 2 ) decomposition procedure can be generalized on a general n-partite two-level systems (not only for the driven Heisenberg-Ising interactions), reducing them to 2 n−1 selectable transformations between ...
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