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Holographic Quantum Error Correcting Codes - Adrian Franco
Holographic Quantum Error Correcting Codes - Adrian Franco

... rules of quantum mechanics, nevertheless, allow for more general states of the form α|0i + β |1i ∈ H , for α, β ∈ C. These will in general not correspond to classical bit states, specifically when α, β 6= 0, in which case we will say that our qubit is in a superposition. The following is also standa ...
Superconducting Circuits and Quantum Computation
Superconducting Circuits and Quantum Computation

... arbitrarily small viscosities. We have recently developed two implementations of the algorithm for the 1D diffusion equation using the PC Qubit. The first consists of initializing the qubits while keeping them in their ground state, and then performing the collision by quickly changing their flux bi ...
The Effect of Communication Costs in Solid
The Effect of Communication Costs in Solid

Documentation
Documentation

Tailoring Quantum Architectures to Implementation Style: A
Tailoring Quantum Architectures to Implementation Style: A

Black-Box Superconducting Circuit Quantization
Black-Box Superconducting Circuit Quantization

... charge dispersion of the qubit is well justified. Interestingly, though, each eigenmode of the system inherits some charge dispersion. This effect, essentially a consequence of hybridization, is of particular importance for applications such as quantum information storage in high-Q cavities coupled t ...
Simulating the transverse Ising model on a quantum computer: Error... with the surface code ), Hao You (
Simulating the transverse Ising model on a quantum computer: Error... with the surface code ), Hao You (

Observation of Quantum Oscillations between a Josephson Phase Qubit
Observation of Quantum Oscillations between a Josephson Phase Qubit

Introduction to Quantum Error Correction and Fault Tolerance
Introduction to Quantum Error Correction and Fault Tolerance

Gibbs' paradox and black-hole entropy
Gibbs' paradox and black-hole entropy

Direct Characterization of Quantum Dynamics
Direct Characterization of Quantum Dynamics

... An additional feature of DCQD is that all the required ensemble measurements, for measuring the expectation values of the stabilizer and normalizer operators, can also be performed in a temporal sequence on the same pair of qubits with only one Bell-state generation. This is because at the end of ea ...
Deformed Generalization of the Semiclassical Entropy
Deformed Generalization of the Semiclassical Entropy

Quantum computers - start [kondor.etf.rs]
Quantum computers - start [kondor.etf.rs]

... Dirac notation… …is obviously more convenient for calculus ...
Fourier Transform, Period Finding and Factoring in BQP Lecture 4 1
Fourier Transform, Period Finding and Factoring in BQP Lecture 4 1

Decoherence of a Quantum Bit Circuit
Decoherence of a Quantum Bit Circuit

Universal Quantum Computation with the Exchange Interaction
Universal Quantum Computation with the Exchange Interaction

... in the present scheme. It should begin by setting all the computational qubits to the |0L i state. This state is easily obtained using the exchange interaction: if a strong H12 is turned on in each coded block and the temperature made lower than the strength J of the interaction, these two spins wil ...
how many universes are necessary for an ice cream to melt?
how many universes are necessary for an ice cream to melt?

Power of Quantum Computation with Few Clean Qubits
Power of Quantum Computation with Few Clean Qubits

ppt
ppt

The Threshold for Fault-Tolerant Quantum Computation
The Threshold for Fault-Tolerant Quantum Computation

High Performance Quantum Computing
High Performance Quantum Computing

INORGANIC CHEMISTRY  F R O N T I E R S
INORGANIC CHEMISTRY F R O N T I E R S

Entropy production and fluctuation relations from full phase space
Entropy production and fluctuation relations from full phase space

... Dynamics of spinning objects, magnetic moments ...
Quantum Entanglement and the Geometry of Spacetime
Quantum Entanglement and the Geometry of Spacetime

6pp
6pp

< 1 ... 8 9 10 11 12 13 14 15 16 ... 22 >

Algorithmic cooling

Algorithmic cooling is a phenomenon in quantum computation in which the processing of certain types of computation results in negative entropy and thus a cooling effect.The phenomenon is a result of the connection between thermodynamics and information theory. In so far as information is encoded in physical systems it is subject to the laws of thermodynamics.Certain processes within computation require a change in entropy within the computing system. As data must be stored as some kind of ordered structure (like a localized charge in a capacitor) so the erasure of data by destroying this order must involve an increase in disorder, or entropy. This means that the erasure of data releases heat. This is Landauer's principle.Reversible computing or Adiabatic computing is a theoretical type of computing in which data is never erased, it just changes state or is marked to be ignored. In theory such a system would be able to ""hide"" data without releasing heat.In the case of quantum entangled data, or qubits, it is possible for a computation to result in negative entropy, actually transferring heat out of the computational system, and so cooling it.
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