Results 1 to 10 of about 26,323 (118)

Aspects of topology of condensates and knotted solitons in condensed matter systems [PDF]

open access: yes, 1992
The knotted solitons introduced by Faddeev and Niemi is presently a subject of great interest in particle and mathematical physics. In this paper we give a condensed matter interpretation of the recent results of Faddeev and Niemi.Comment: v2: Added a ...
El-Zein M. S.   +10 more
core   +1 more source

What can gauge-gravity duality teach us about condensed matter physics? [PDF]

open access: yes, 2012
I discuss the impact of gauge-gravity duality on our understanding of two classes of systems: conformal quantum matter and compressible quantum matter.
Liu H, Sachdev S
core   +2 more sources

Zoo of quantum-topological phases of matter [PDF]

open access: yes, 2017
What are topological phases of matter? First, they are phases of matter at zero temperature. Second, they have a non-zero energy gap for the excitations above the ground state. Third, they are disordered liquids that seem have no feature.
Wen, Xiao-Gang
core   +2 more sources

Early Universe Quantum Processes in BEC Collapse Experiments [PDF]

open access: yes, 2005
We show that in the collapse of a Bose-Einstein condensate (BEC) {For an excellent introduction to BEC theory, see C. Pethick and H. Smith, Bose-Einstein condensation in dilute gases (Cambridge University Press, Cambridge, England, 2002)} certain ...
A. Gammal   +68 more
core   +4 more sources

Holographic fractional topological insulators in 2+1 and 1+1 dimensions

open access: yes, 2000
We give field theory descriptions of the time-reversal invariant quantum spin Hall insulator in 2+1 dimensions and the particle-hole symmetric insulator in 1+1 dimensions in terms of massive Dirac fermions.
Karch, Andreas   +2 more
core   +4 more sources

Compressible quantum phases from conformal field theories in 2+1 dimensions [PDF]

open access: yes, 2012
Conformal field theories (CFTs) with a globally conserved U(1) charge Q can be deformed into compressible phases by modifying their Hamiltonian, H, by a chemical potential H -> H - \mu Q.
A. L. Fetter   +3 more
core   +2 more sources

Testing cosmological defect formation in the laboratory

open access: yes, 2001
Topological defects such as cosmic strings may have been formed at early-universe phase transitions. Direct tests of this idea are impossible, but the mechanism can be elucidated by studying analogous processes in low-temperature condensed-matter systems.
Bowick   +22 more
core   +1 more source

Cold quantum gases: coherent quantum phenomena from Bose-Einstein condensation to BCS pairing of fermions [PDF]

open access: yes, 2004
Studies of trapped quantum gases of bosons and of fermions have opened up a new range of many-body problems, having a strong overlap with nuclear and neutron star physics.
Abo-Shaeer   +84 more
core   +1 more source

The formation of vortex loops (strings) in continuous phase transitions [PDF]

open access: yes, 2001
The formation of vortex loops (global cosmic strings) in an O(2) linear sigma model in three spatial dimensions is analyzed numerically. For over-damped Langevin dynamics we find that defect production is suppressed by an interaction between correlated ...
A. Bray   +31 more
core   +3 more sources

Non-commutative mechanics, in mathematical & in condensed matter physics [PDF]

open access: yes, 2006
Non-commutative structures were introduced, independently and around the same time, in mathematical and in condensed matter physics (see Table~1). Souriau's construction applied to the two-parameter central extension of the planar Galilei group leads to ...
Horvathy, P. A.
core   +2 more sources

Home - About - Disclaimer - Privacy