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Basic elements of quantum information technology
Basic elements of quantum information technology

Phys. Chem. Chem. Phys. 14, 9411-20
Phys. Chem. Chem. Phys. 14, 9411-20

... In quantum simulation, we are interested in the behavior and properties of a quantum system, which could be either a stationary molecule or a chemical reaction. The procedure of quantum simulation can be summarized in three steps: (a) preparing the quantum state into an initial state, (b) evolving t ...
Entanglement Entropy
Entanglement Entropy

What is the Entropy in Entropic Gravity?
What is the Entropy in Entropic Gravity?

Document
Document

q -entropies and the entanglement dynamics of two-qubits interacting with an... 408 A. Hamadou-Ibrahim et al.
q -entropies and the entanglement dynamics of two-qubits interacting with an... 408 A. Hamadou-Ibrahim et al.

tutorial on quantum error correction and fault
tutorial on quantum error correction and fault

... Error Syndromes Revisited Let us examine more closely the error syndrome for the classical repetition code. For correctly-encoded state 000 or 111: first two bits have even parity (an even number of 1’s), and similarly for the 2nd and 3rd bits. For state with error on one of the first two bits: odd ...
Surface Code Quantum Computation on a Defective
Surface Code Quantum Computation on a Defective

Stochastic thermodynamics: A brief introduction
Stochastic thermodynamics: A brief introduction

Efficient Universal Quantum Circuits
Efficient Universal Quantum Circuits

DC measurements of macroscopic quantum levels in a superconducting qubit structure with a time-ordered meter
DC measurements of macroscopic quantum levels in a superconducting qubit structure with a time-ordered meter

Shor`s Factoring Algorithm and Modern Cryptography. An Illustration
Shor`s Factoring Algorithm and Modern Cryptography. An Illustration

Introduction to Quantum Information
Introduction to Quantum Information

... information then this modifies the probabilities. Today such reasoning is uncontentious and forms part of the prevailing paradigm in much of probability theory (Jeffreys, 1939; Box and Tiao 1973; Bretthorst 1988; Lee 1989; Jaynes 2003). This was not the case, however, for most of the 350 years of it ...
Landau-Zener-Stückelberg-Majorana lasing in circuit quantum
Landau-Zener-Stückelberg-Majorana lasing in circuit quantum

Introduction to Quantum Information Science
Introduction to Quantum Information Science

Toward a scalable, silicon-based quantum computing architecture
Toward a scalable, silicon-based quantum computing architecture

Information and Entropy in Neural Networks and Interacting Systems
Information and Entropy in Neural Networks and Interacting Systems

... network and why a generalization of the definition of entropy may be required. Like neural networks, large ensembles of similar units that interact also need a generalization of classical information-theoretic concepts. We extend the concept of Shannon entropy in a novel way, which may be relevant w ...
Why Quantum Computing? - Quantum Physics and Quantum
Why Quantum Computing? - Quantum Physics and Quantum

Superconducting Qubit Storage and Entanglement with Nanomechanical Resonators A. N. Cleland
Superconducting Qubit Storage and Entanglement with Nanomechanical Resonators A. N. Cleland

Universal quantum simulation with prethreshold superconducting qubits: Single-excitation subspace method
Universal quantum simulation with prethreshold superconducting qubits: Single-excitation subspace method

Modeling Non-Equilibrium Dynamics of a Discrete
Modeling Non-Equilibrium Dynamics of a Discrete

Constructions and Noise Threshold of Topological Subsystem Codes
Constructions and Noise Threshold of Topological Subsystem Codes

Quiet Readout of Superconducting Flux States
Quiet Readout of Superconducting Flux States

Reply to criticism of the ‘Orch OR qubit’ – ‘Orchestrated... reduction’ is scientifically justified
Reply to criticism of the ‘Orch OR qubit’ – ‘Orchestrated... reduction’ is scientifically justified

AntalyaQuantumComputingTutorial
AntalyaQuantumComputingTutorial

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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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