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Theja Nilantha DeSilva

Assistant Professor

  • 265 Citations
  • 6 h-Index
20022018
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Research Output 2002 2018

  • 265 Citations
  • 6 h-Index
  • 25 Article
2018
2 Citations (Scopus)

Metal-insulator-superconductor transition of spin-3/2 atoms on optical lattices

DeSilva, T. N., Jan 29 2018, In : Physical Review A. 97, 1, 013632.

Research output: Contribution to journal › Article

insulators
metals
atoms
rotons
cubic lattices
2016
1 Citation (Scopus)

An effective mean field theory for the coexistence of anti-ferromagnetism and superconductivity: Applications to iron-based superconductors and cold Bose–Fermi atomic mixtures

Brackett, J., Newman, J. & DeSilva, T. N., Oct 7 2016, In : Physics Letters, Section A: General, Atomic and Solid State Physics. 380, 41, p. 3421-3429 9 p.

Research output: Contribution to journal › Article

ferromagnetism
superconductivity
iron
condensation
excitation
1 Citation (Scopus)

An effective series expansion to the equation of state of unitary Fermi gases

Silva, T. N. D., Oct 24 2016, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 49, 22, 225301.

Research output: Contribution to journal › Article

series expansion
equations of state
gases
virial coefficients
integral equations
2015

Phase diagram of strongly attractive p-orbital fermions on optical lattices

DeSilva, T. N., Oct 30 2015, In : Physics Letters, Section A: General, Atomic and Solid State Physics. 379, 42, p. 2715-2722 8 p., 23378.

Research output: Contribution to journal › Article

perturbation theory
fermions
phase diagrams
orbitals
magnons

Polarization-induced phase separation and re-entrant transition of two-component fermions in a one-dimensional lattice

De Silva, T. N., May 27 2015, In : Physical Review A - Atomic, Molecular, and Optical Physics. 91, 5, 053627.

Research output: Contribution to journal › Article

compressibility
fermions
polarization
interactions
thermodynamics
2014
1 Citation (Scopus)

Evidence for the breakdown of momentum independent many-body t-matrix approximation in the normal phase of bosons

de Silva, T. N., Dec 22 2014, In : Frontiers of Physics. 2, p. 1-3 3 p., A076.

Research output: Contribution to journal › Article

2013
6 Citations (Scopus)

Phase diagram of two-component dipolar fermions in one-dimensional optical lattices

De Silva, T. N., May 3 2013, In : Physics Letters, Section A: General, Atomic and Solid State Physics. 377, 12, p. 871-877 7 p.

Research output: Contribution to journal › Article

fermions
phase diagrams
crystals
signatures
dipoles
2 Citations (Scopus)

Thermodynamic properties of universal Fermi gases

Weiler, E. M. & DeSilva, T. N., Jan 2 2013, In : Physical Review A - Atomic, Molecular, and Optical Physics. 87, 1, 013602.

Research output: Contribution to journal › Article

thermodynamic properties
fermions
momentum
gases
iteration
2012
2 Citations (Scopus)

Spin diffusion of lattice fermions in one dimension

Snyder, A. P. & De Silva, T. N., Nov 9 2012, In : Physical Review A - Atomic, Molecular, and Optical Physics. 86, 5, 053610.

Research output: Contribution to journal › Article

fermions
diffusion coefficient
magnetization
damping
magnetic permeability
2 Citations (Scopus)

Tan's universal contact and collective oscillations of strongly interacting Fermi gases

DelloStritto, M. & DeSilva, T. N., Jul 9 2012, In : Physics Letters, Section A: General, Atomic and Solid State Physics. 376, 34, p. 2298-2305 8 p.

Research output: Contribution to journal › Article

oscillations
gases
crossovers
ground state
energy
2011
8 Citations (Scopus)

Compressibility and entropy of cold fermions in one-dimensional optical lattices

Snyder, A., Tanabe, I. & DeSilva, T. N., Jun 28 2011, In : Physical Review A - Atomic, Molecular, and Optical Physics. 83, 6, 063632.

Research output: Contribution to journal › Article

compressibility
fermions
entropy
thermodynamics
traps
2010

Density profiles and density oscillations of an interacting three-component normal Fermi gas

De Silva, T. N. & DeSilva, T. N., Jan 21 2010, In : J. Phys. B: At. Mol. Opt. Phys. 43 (2010). 43, p. 035301

Research output: Contribution to journal › Article

Low temperature thermodynamic properties of a polarized Fermi gas in a quartic trap

DelloStritto, M., De Silva, T. N. & DeSilva, T. N., Aug 25 2010, In : Journal of Undergraduate Research in Physics.

Research output: Contribution to journal › Article

2009
5 Citations (Scopus)

Fermionic superfluid properties in a one-dimensional optical lattice

DeSilva, T. N., Jan 5 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 79, 1, 013612.

Research output: Contribution to journal › Article

acoustic velocity
center of mass
crossovers
condensation
oscillations
6 Citations (Scopus)

Population imbalanced Fermi gases in quasi two dimensions

De Silva, T. N., Nov 9 2009, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 42, 16, 165301.

Research output: Contribution to journal › Article

gases
atoms
temperature
crossovers
condensation
17 Citations (Scopus)

Theory of the normal-superfluid interface in population-imbalanced Fermi gases

Baur, S. K., Basu, S., De Silva, T. N. & Mueller, E. J., Jun 24 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 79, 6, 063628.

Research output: Contribution to journal › Article

rice
gases
surface energy
domain wall
interfacial tension
7 Citations (Scopus)

Three-component fermion pairing in two dimensions

DeSilva, T. N., Aug 6 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 80, 1, 013620.

Research output: Contribution to journal › Article

fermions
binding energy
free energy
interactions
gases
2008
5 Citations (Scopus)

Breathing mode frequencies of a rotating Fermi gas in the BCS-BEC crossover region

De Silva, T. N., Aug 19 2008, In : Physical Review A - Atomic, Molecular, and Optical Physics. 78, 2, 023623.

Research output: Contribution to journal › Article

breathing
crossovers
gases
harmonics
oscillations
2006

Collective modes as a probe of the equation of state for partially polarized Fermi gases

De Silva, T. N., Mueller, E. J. & DeSilva, T. N., Jul 19 2006, In : Arxiv.

Research output: Contribution to journal › Article

101 Citations (Scopus)

Profiles of near-resonant population-imbalanced trapped Fermi gases

De Silva, T. N. & Mueller, E. J., May 29 2006, In : Physical Review A - Atomic, Molecular, and Optical Physics. 73, 5, 051602.

Research output: Contribution to journal › Article

profiles
approximation
gases
crossovers
vapor phases
78 Citations (Scopus)

Surface tension in unitary fermi gases with population imbalance

De Silva, T. N. & Mueller, E. J., 2006, In : Physical Review Letters. 97, 7, 070402.

Research output: Contribution to journal › Article

interfacial tension
gases
aspect ratio
causes
2005
15 Citations (Scopus)

Collective oscillations of a Fermi gas near a Feshbach resonance

DeSilva, T. N. & Mueller, E. J., Jan 1 2005, In : Physical Review A - Atomic, Molecular, and Optical Physics. 72, 6, 063614.

Research output: Contribution to journal › Article

sum rules
oscillations
breathing
gases
crossovers
2004
1 Citation (Scopus)

Dynamically generated dimension reduction and crossover in a spin-orbital model

De Silva, T. N., Ma, M. & Zhang, F. C., Sep 1 2004, In : Physical Review B - Condensed Matter and Materials Physics. 70, 10, p. 100405-1-100405-4

Research output: Contribution to journal › Article

crossovers
orbitals
transition points
interactions
2003

Theory for spin and orbital orderings in high-temperature phases in YVO3

DeSilva, T. N., Joshi, A., Ma, M. & Zhang, F. C., Nov 1 2003, In : Physical Review B - Condensed Matter and Materials Physics. 68, 18, p. 1844021-1844027 7 p., 184402.

Research output: Contribution to journal › Article

Phase transitions
orbitals
Neutron diffraction
Ions
Temperature
2002
5 Citations (Scopus)

Pathology of Schwinger boson mean-field theory for Heisenberg spin models

De Silva, T. N., Ma, M. & Zhang, F. C., Sep 17 2002, In : Physical Review B - Condensed Matter and Materials Physics. 66, 10, p. 1044171-1044176 6 p., 104417.

Research output: Contribution to journal › Article

Bosons
Mean field theory
pathology
Pathology
bosons