Surface code fidelity at finite temperatures
نویسندگان
چکیده
منابع مشابه
Atoms at finite temperatures
These are working notes written as a first step in understanding atomic potentials and atomic structure in finite-temperature systems. 1 Thomas-Fermi Theory As a first step, we consider the Thomas-Fermi theory at finite temperatures. This is my version of the discussion of temperature-dependent Thomas-Fermi theory given in the seminal work of Feynman, Metropolis, and Teller [1]. Later, we will ...
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Quarkonium at finite temperature Takashi Umeda Brookhaven National Laboratorg, Upton, NY, USA, 11973 Lattice QCD studies on charmonium at finite temperature are presented After a discussion about problems for the Maximum Entropy Method applied to finite temperature lattice QCD, I show several results on charmonium spectral functions. The “wave function” of charmonium is also discussed to study ...
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In [3] quandle cohomology is used to produce invariants for particular embeddings of codimension two; 2-cocycles give rise to invariants for (classical) knots and 3-cocycles give rise to invariants for knotted surfaces. This is done by way of a notion of coloring of a diagram. Also, these invariants have the form of the state-sums (or partition functions) used in Statistical Mechanics. By a car...
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We review non-perturbative static potentials commonly used in potential models for quarkonia at finite T . Potentials derived from Polyakov loop correlators are shown to be inappropriate for this purpose. The qq̄ free energy is physical but has the wrong spatial decay and perturbative limit. The so-called singlet free energy is gauge dependent and unphysical. An appropriate static real time pote...
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We analyse the finite temperature charge stiffness D(T > 0), by a generalization of Kohn’s method, for the problem of a particle interacting with a fermionic bath in one dimension. We present analytical evidence, using the Bethe ansatz method, that D(T > 0) is finite in the integrable case where the mass of the particle equals the mass of the fermions and numerical evidence that it vanishes in ...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 2017
ISSN: 2469-9926,2469-9934
DOI: 10.1103/physreva.95.042339