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Research topics
My research is discussed under following research
categories, along with links to all my publications. The categories appear
roughly in reverse chronological order of the papers under them. Some papers
appear in more than one category. Review and pedagogical articles are in marked
with a  .
Paper titles are linked to PDF files containing the complete text and figures.
A list of all publications is available. A list of almost all papers since April 1992 is also at the cond-mat archive. Among these, is
the very first paper on the
cond-mat archive.
- Iron-arsenic superconductors
- Superconducting nanowires
- Algebraic charge liquids (Nature Physics News and Views, January 2008)
- Quantum critical transport and black holes (Nature News and Views, August 2007; Dutch newspaper, September 2007;
Interview by FQXi;
Nature News, July 2009;
Physics Viewpoint, October 2010;
Nature News, October 2010;
Nature, October 2011;
Science, August 2012)
- Electron interactions in graphene
- Quantum vortex
dynamics in two-dimensional superconductors
- Deconfined quantum criticality
(Science Perspectives, March 2004; PhysOrg.com, August 2010)
- Quantum criticality
in correlated metals( Physics Viewpoint, August 2010)
- Radiation-induced
states of the 2D electron gas (Physics Today, April 2003)
- Quantum
phases of ultracold atomic gases (Physics Today, March 2002,
Nature, April 2011)
- Tuning
magnetic and valence-bond-solid (VBS) order in the cuprate superconductors (Physics
Today, February 2002)
- Gapped
fermionic excitations in two-dimensional antiferromagnets and
superconductors
- Quantum
impurities in two-dimensional antiferromagnets and d-wave
superconductors
- Quantum
phase transitions in d-wave superconductors: damping of nodal
quasiparticles
- Translational
symmetry breaking and valence-bond-solid (VBS) order in doped antiferromagnets (Physics
Today, September 2004)
- Magnetism
of quantum Hall states (Physics Today,
June 2000)
- Nonequilibrium
dynamics of the Bose gas
- Critical
points between quantum Hall states
- Transport
near quantum critical points
- Quantum phases
and transitions with a macroscopic magnetic moment
- Crossovers
near quantum critical points: general issues (Physics Today, March 2002)
- Chiral
edge states and the network model of the integer quantum Hall effect
- Finite
temperature crossovers of the quantum Ising chain
- Dynamics
of one-dimensional Heisenberg antiferromagnets
- Quantum
magnetism in metals
- Quantum
spin glasses and quantum transitions in disordered systems
- Fractionalization:
superconductivity and stable hc/e vortices
- Superconductivity
of correlated electron systems
- Magnetic
quantum-criticality and the collective spin resonance in the high
temperature superconductors
- Self-organized
criticality
- Quantum
dimer model
- Fractionalization:
spin liquids with deconfined spinons and non-collinear magnetic order in
two-dimensional antiferromagnets
- Confining
paramagnets, and Neel and valence-bond-solid (VBS) order in two-dimensional antiferromagnets
- Magnetism
near the metal-insulator transition
- Icosahedral
order in metallic glasses and quasicrystals (Physics Today, July 2003)
- Melting
in two dimensions
- Atom in
a damped cavity
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