Anthony J Leggett

1964 …2019
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Research Output 1964 2019

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2019

Resonant Confinement of an Excitonic Polariton and Ultraefficient Light Harvest in Artificial Photosynthesis

Chen, Y. C., Song, B., Leggett, A. J., Ao, P. & Zhu, X., Jun 27 2019, In : Physical review letters. 122, 25, 257402.

Research output: Contribution to journalArticle

photosynthesis
polaritons
excitons
funnels
pigments
2016

A strict experimental test of macroscopic realism in a superconducting flux qubit

Knee, G. C., Kakuyanagi, K., Yeh, M. C., Matsuzaki, Y., Toida, H., Yamaguchi, H., Saito, S., Leggett, A. J. & Munro, W. J., Nov 4 2016, In : Nature communications. 7, 13253.

Research output: Contribution to journalArticle

Quantum Theory
Names
Noise
Fluxes
Quantum theory

Liquid 3He: A strongly correlated but well understood Fermi liquid

Leggett, A. J., Apr 8 2016, In : Reports on Progress in Physics. 79, 5, 054501.

Research output: Contribution to journalArticle

Fermi liquids
liquids

Majorana fermions in condensed-matter physics

Leggett, A. J., Jul 30 2016, In : International Journal of Modern Physics B. 30, 19, 1630012.

Research output: Contribution to journalArticle

condensed matter physics
fermions
quantum computation
broken symmetry
physics

Temperature-dependent ellipsometry measurements of partial coulomb energy in superconducting cuprates

Levallois, J., Tran, M. K., Pouliot, D., Presura, C. N., Greene, L. H., Eckstein, J. N., Uccelli, J., Giannini, E., Gu, G. D., Leggett, A. J. & van der Marel, D., Jan 1 2016, In : Physical Review X. 6, 3, 031027.

Research output: Contribution to journalArticle

cuprates
ellipsometry
temperature dependence
temperature
energy
2014

Andreev bound states. Some quasiclassical reflections

Lin, Y. & Leggett, A. J., Jan 1 2014, In : Journal of Experimental and Theoretical Physics. 119, 6, p. 1034-1041 8 p.

Research output: Contribution to journalArticle

traps
continuity equation
paradoxes
trapping
ground state
2013
crossovers
Pauli exclusion principle
gases
occupation
conservation

"Tunneling two-level systems" model of the low-temperature properties of glasses: Are "smoking-gun" tests possible?

Leggett, A. J. & Vural, D. C., Nov 4 2013, In : Journal of Physical Chemistry B. 117, 42, p. 12966-12971 6 p.

Research output: Contribution to journalArticle

Low temperature properties
Glass
Temperature
glass
2011

Absence of spontaneous magnetic order of lattice spins coupled to itinerant interacting electrons in one and two dimensions

Loss, D., Pedrocchi, F. L. & Leggett, A. J., Sep 1 2011, In : Physical review letters. 107, 10, 107201.

Research output: Contribution to journalArticle

electrons
SOI (semiconductors)
spin-orbit interactions
charge carriers
electron scattering

Universal sound absorption in amorphous solids: A theory of elastically coupled generic blocks

Vural, D. C. & Leggett, A. J., Oct 1 2011, In : Journal of Non-Crystalline Solids. 357, 19-20, p. 3528-3537 10 p.

Research output: Contribution to journalArticle

sound transmission
attenuation coefficients
ultrasonics
Ultrasonics
Acoustic waves
2010

The superfluid phases of liquid 3He: BCS theory

Leggett, A. J., Oct 10 2010, In : Modern Physics Letters B. 24, 25, p. 2525-2539 15 p.

Research output: Contribution to journalArticle

BCS theory
superfluidity
liquids
metals
superconductivity
2009

Schrödinger's Cat and her laboratory cousins

Leggett, A. J., Jan 1 2009, In : Contemporary Physics. 50, 1, p. 243-258 16 p.

Research output: Contribution to journalArticle

cats
paradoxes
cryogenics
quantum mechanics
formalism

Spin polarization of half-quantum vortex in systems with equal spin pairing

Vakaryuk, V. & Leggett, A. J., Aug 6 2009, In : Physical review letters. 103, 5, 057003.

Research output: Contribution to journalArticle

vortices
polarization
acceleration (physics)
wave functions

Universal properties of the ultracold Fermi gas

Zhang, S. & Leggett, A. J., Feb 2 2009, In : Physical Review A - Atomic, Molecular, and Optical Physics. 79, 2, 023601.

Research output: Contribution to journalArticle

gases
crossovers
free energy
temperature dependence
physics
2008

Realism and the physical world

Leggett, A. J., Feb 1 2008, In : Reports on Progress in Physics. 71, 2, 022001.

Research output: Contribution to journalArticle

bells
formalism

Sum-rule analysis of radio-frequency spectroscopy of ultracold Fermi gas

Zhang, S. & Leggett, A. J., Mar 14 2008, In : Physical Review A - Atomic, Molecular, and Optical Physics. 77, 3, 033614.

Research output: Contribution to journalArticle

sum rules
radio frequencies
shift
gases
spectroscopy
2007

How far do EPR-Bell experiments constrain physical collapse theories?

Leggett, A. J., Mar 23 2007, In : Journal of Physics A: Mathematical and Theoretical. 40, 12, p. 3141-3149 9 p.

Research output: Contribution to journalArticle

Quantum theory
bells
Paramagnetic resonance
quantum mechanics
axioms

Probing quantum mechanics towards the everyday world - How far have we come

Leggett, A. J., Jan 1 2007, In : Progress of Theoretical Physics Supplement. 170, p. 100-118 19 p.

Research output: Contribution to journalArticle

quantum mechanics
quantum optics
diffraction
2006

Some thoughts about two dimensionality and cuprate superconductivity

Leggett, A. J., Jul 1 2006, In : Journal of Superconductivity and Novel Magnetism. 19, 3-5, p. 187-192 6 p.

Research output: Contribution to journalArticle

Superconductivity
cuprates
Superconducting transition temperature
superconductivity
transition temperature
2005

Quench dynamics of a superfluid Fermi gas

Warner, G. L. & Leggett, A. J., Dec 14 2005, In : Physical Review B - Condensed Matter and Materials Physics. 71, 13, 134514.

Research output: Contribution to journalArticle

Vortex flow
Gases
vortices
Scaling laws
gases
2004

Nuclear magnetic resonance in ultra-small samples of superfluid 3He

Leggett, A. J., Mar 18 2004, In : Synthetic Metals. 141, 1-2, p. 51-58 8 p.

Research output: Contribution to journalArticle

Nuclear magnetic resonance
inclusions
nuclear magnetic resonance
condensates
Magnetization

Superfluid 3He: The early days as seen by a theorist

Leggett, A. J., Jan 1 2004, In : Uspekhi Fizicheskikh Nauk. 174, 11, 1 p.

Research output: Contribution to journalArticle

2003

Anomalous diffusion near the Fermi surface

Warner, L. & Leggett, A. J., Nov 11 2003, In : Physical Review B - Condensed Matter and Materials Physics. 68, 17

Research output: Contribution to journalArticle

Fermi surface
Fermi surfaces
Fermi liquids
cryogenic temperature
Nucleation

Bose-Einstein Condensation in a Harmonic Trap: Effect of Interactions on Tc

Leggett, A. J., Mar 1 2003, In : Journal of Statistical Physics. 110, 3-6, p. 903-910 8 p.

Research output: Contribution to journalArticle

Bose-Einstein Condensation
Trap
condensation
Harmonic
traps
condensation
wave functions
condensing
atoms
trapping

Bose-Einstein condensation of spin-1/2 atoms with conserved total spin

Ashhab, S. & Leggett, A. J., Jan 1 2003, In : Physical Review A - Atomic, Molecular, and Optical Physics. 68, 6, 1 p.

Research output: Contribution to journalArticle

condensation
wave functions
orbitals
Bose-Einstein condensates
gases

Liquid-solid helium interface: Some conceptual questions

Leggett, A. J., Dec 1 2003, In : Progress in Surface Science. 74, 1-8, p. 405-414 10 p.

Research output: Contribution to journalArticle

Helium
helium
Wave functions
Liquid waves
liquid phases

Nobel Prize of 2003 awarded for "pioneering contributions to the theory of superconductors and superfluids"

Ginzburg, V. L., Abrikosov, A. A. & Leggett, A. J., Dec 1 2003, In : Low Temperature Physics. 29, 12, p. 971-972 2 p.

Research output: Contribution to journalArticle

Phase dynamics after connection of two separate Bose-Einstein condensates

Zapata, I., Sols, F. & Leggett, A. J., Jan 1 2003, In : Physical Review A - Atomic, Molecular, and Optical Physics. 67, 2, 1 p.

Research output: Contribution to journalArticle

Bose-Einstein condensates
condensates
oscillations
plasma oscillations
dissipation

Phase dynamics after connection of two separate Bose-Einstein condensates

Zapata, I., Sols, F. & Leggett, A. J., Feb 1 2003, In : Physical Review A - Atomic, Molecular, and Optical Physics. 67, 2

Research output: Contribution to journalArticle

Bose-Einstein condensates
condensates
dissipation
atoms
Umklapp process
Superconductivity
cuprates
sum rules
superconductivity
approximation
gases
delta function
paradoxes
pseudopotentials
2002

Condensation energy and high-(formula presented) superconductivity

Van Der Marel, D., Leggett, A. J., Loram, J. W. & Kirtley, J. R., Jan 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 66, 14, p. 1-4 4 p.

Research output: Contribution to journalArticle

Superconductivity
Specific heat
Condensation
superconductivity
condensation

Condensation energy and high-Tc superconductivity

Van der Marel, D., Leggett, A. J., Loram, J. W. & Kirtley, J. R., Oct 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 66, 14, p. 1405011-1405014 4 p., 140501.

Research output: Contribution to journalArticle

Superconductivity
Specific heat
Condensation
superconductivity
condensation
low temperature physics
energetic particles
Vorticity
vorticity
Nucleation

Measurement theory and interference of spinor Bose-Einstein condensates

Ashhab, S. & Leggett, A. J., Feb 2002, In : Physical Review A. Atomic, Molecular, and Optical Physics. 65, 2, p. 1-10 10 p., 023604.

Research output: Contribution to journalArticle

Bose-Einstein condensates
interference
condensates
atoms

Measurement theory and interference of spinor Bose-Einstein condensates

Ashhab, S. & Leggett, A. J., Feb 2002, In : Physical Review A. Atomic, Molecular, and Optical Physics. 65, 2, p. 23604/1-23604/10 023604.

Research output: Contribution to journalArticle

Bose-Einstein condensates
interference
condensates
atoms

Probing quantum mechanics towards the everyday world: Where do we stand?

Leggett, A. J., 2002, In : Physica Scripta T. 102, p. 69-73 5 p.

Research output: Contribution to journalArticle

Quantum Mechanics
quantum mechanics
Experiment
Proof by induction
induction

Testing the limits of quantum mechanics: Motivation, state of play, prospects

Leggett, A. J., Apr 22 2002, In : Journal of Physics Condensed Matter. 14, 15, p. R415-R451

Research output: Contribution to journalArticle

Quantum theory
quantum mechanics
Quantum optics
quantum optics
Testing
2001
condensates
gases
critical temperature
interactions

Bose-Einstein condensation in the alkali gases: Some fundamental concepts

Leggett, A. J., Apr 1 2001, In : Reviews of Modern Physics. 73, 2, p. 307-356 50 p.

Research output: Contribution to journalArticle

alkalies
condensation
Josephson effect
superfluidity
gases

Interlayer c-axis transport in the normal state of cuprates

Turlakov, M. & Leggett, A. J., Jan 1 2001, In : Physical Review B - Condensed Matter and Materials Physics. 63, 6, p. 645181-645188 8 p., 064518.

Research output: Contribution to journalArticle

cuprates
interlayers
Optical conductivity
Transport properties
conductivity

The Josephson plasmon as a Bogoliubov quasiparticle

Paraoanu, G. S., Kohler, S., Sols, F. & Leggett, A. J., Dec 14 2001, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 34, 23, p. 4689-4696 8 p.

Research output: Contribution to journalArticle

Josephson effect
monatomic gases
pendulums
approximation
alkalies
2000

Topics in the theory of the ultracold dilute alkali gases

Leggett, A. J., Dec 21 2000, In : Modern Physics Letters B. 14, SUPPL., p. 1-42 42 p.

Research output: Contribution to journalArticle

Alkalies
lectures
alkalies
Gases
Bose Gas
1999
Electron Energy-Loss Spectroscopy
Transition Temperature
Superconductivity

Cuprate superconductivity: Dependence of Tc on the c-axis layering structure

Leggett, A. J., Jan 1 1999, In : Physical review letters. 83, 2, p. 392-395 4 p.

Research output: Contribution to journalArticle

cuprates
superconductivity
energy dissipation
transition temperature
electron energy

Ground-state properties of a rotating bose-einstein condensate with attractive interaction

Ueda, M. & Leggett, A. J., Jan 1 1999, In : Physical review letters. 83, 8, p. 1489-1493 5 p.

Research output: Contribution to journalArticle

Bose-Einstein condensates
plateaus
ground state
particle energy
condensates
quantum mechanics
formalism
predictions

The physical basis of 3He A-B nucleation

Schiffer, P. E., Osheroff, D. D. & Leggett, A. J., Jan 1 1999, In : Physical review letters. 82, 19, 1 p.

Research output: Contribution to journalArticle

nucleation
1998

Bose-condensed alkali gases as testbeds for fundamental quantum mechanics

Leggett, A. J., Dec 1 1998, In : Physica Scripta T. 76, p. 199-202 4 p.

Research output: Contribution to journalArticle

elementary particles
Testbed
Quantum Mechanics
quantum mechanics
alkalies