Adiabatic quantum dynamics of a random Ising chain across its quantum critical point
β Scribed by Caneva, Tommaso; Fazio, Rosario; Santoro, Giuseppe E.
- Book ID
- 120209578
- Publisher
- The American Physical Society
- Year
- 2007
- Tongue
- English
- Weight
- 388 KB
- Volume
- 76
- Category
- Article
- ISSN
- 1098-0121
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π SIMILAR VOLUMES
The low-temperature properties and crossover phenomena of d-dimensional transverse Isinglike systems within the in uence domain of the quantum critical point are investigated solving the appropriate one-loop renormalization group equations. The phase diagram is obtained near and at d = 3 and several
We investigate the Hamiltonian dynamics of two low-dimensional quantum spin systems in a random ΓΏeld, at the inΓΏnite-temperature limit: the XY chain and the two-leg XY ladder with interchain Ising interactions. We determine the longitudinal spin autocorrelation functions of the spin-1 2 XY chain and