Zobrazeno 1 - 10
of 284
pro vyhledávání: '"Oganesyan, V."'
Quantum phase transitions are usually observed in ground states of correlated systems. Remarkably, eigenstate phase transitions can also occur at finite energy density in disordered, isolated quantum systems. Such transitions fall outside the framewo
Externí odkaz:
http://arxiv.org/abs/1509.04285
Autor:
Tabor, D. E., Oganesyan, V., Keller, A. E., Yu, L., McLaughlin, R. E., Song, E., Warrener, P., Rosenthal, K., Esser, M., Qi, Y., Ruzin, A., Stover, C. K., DiGiandomenico, A.
Publikováno v:
The Journal of Infectious Diseases, 2018 Dec . 218(12), 1983-1994.
Externí odkaz:
https://www.jstor.org/stable/26537897
We investigate the spin-spin correlation functions of Ising magnets at complex values of the temperature, T. For one-dimensional chain and ladder systems, we show the existence of a kind of helimagnetic order in the vicinity of contours where the lea
Externí odkaz:
http://arxiv.org/abs/1304.6314
Publikováno v:
Phys. Rev. B 79, 174528 (2009). (Editors' Suggestion)
We discuss the superconductor to normal phase transition in an infinite-layered type-II superconductor in the limit where the Josephson coupling between layers is negligible. We model each layer as a neutral gas of thermally excited pancake vortices.
Externí odkaz:
http://arxiv.org/abs/0902.1547
Autor:
Oganesyan, V., Ussishkin, Iddo
Publikováno v:
Phys. Rev. B 70, 054503 (2004)
We examine the possibility that the large Nernst signal observed in the pseudogap regime of hole-doped cuprates originates from quasiparticle transport in a state with d-density wave (DDW) order, proposed by S. Chakravarty et al. [Phys. Rev. B 63, 09
Externí odkaz:
http://arxiv.org/abs/cond-mat/0312588
Publikováno v:
Phys. Rev. B 69, 224415 (2004)
Quantum dimer models on bipartite lattices exhibit Rokhsar-Kivelson (RK) points with exactly known critical ground states and deconfined spinons. We examine generic, weak, perturbations around these points. In d=2+1 we find a first order transition b
Externí odkaz:
http://arxiv.org/abs/cond-mat/0311353
Autor:
Kivelson, S. A., Fradkin, E., Oganesyan, V., Bindloss, I. P., Tranquada, J. M., Kapitulnik, A., Howald, C.
Publikováno v:
Rev. Mod. Phys. 75, 1201 (2003)
We discuss fluctuating order in a quantum disordered phase proximate to a quantum critical point, with particular emphasis on fluctuating stripe order. Optimal strategies for extracting information concerning such local order from experiments are der
Externí odkaz:
http://arxiv.org/abs/cond-mat/0210683
Publikováno v:
Phys. Rev. B 65, 184501 (2002)
The ``band-structure'' of a disordered stripe array is computed and compared, at a qualitative level, to angle resolved photoemission experiments on the cuprate high temperature superconductors. The low-energy states are found to be strongly localize
Externí odkaz:
http://arxiv.org/abs/cond-mat/0109244
Publikováno v:
Phys. Rev. Lett.86, 167011 (2001)
We study the properties of a quasi-one dimensional superconductor which consists of an alternating array of two inequivalent chains. This model is a simple charicature of a locally striped high temperature superconductor, and is more generally a theo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0010350
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