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Publications Influence

Signatures of an electronic nematic phase at the isotropic-nematic phase transition

The electronic nematic phase occurs when the point-group symmetry of the lattice structure is broken, due to electron-electron interactions. We study a model for the nematic phase on a square lattice… Expand

47 2- PDF

Nonequilibrium transport at a dissipative quantum phase transition.

We investigate the nonequilibrium transport near a quantum phase transition in a generic and relatively simple model, the dissipative resonant level model, that has many applications for nanosystems.… Expand

32 2- PDF

Kondo effect in coupled quantum dots with RKKY interaction: Effects of finite temperature and magnetic field

- C. Chung, W. Hofstetter
- Physics
- 28 July 2006

We study transport through two quantum dots coupled by a Ruderman-Kittel-Kasuya-Yoshida interaction as a function of temperature and magnetic field. By applying the numerical renormalization group… Expand

29 1- PDF

Planar pyrochlore antiferromagnet: A large-N analysis

- Jean-Sébastien Bernier, C. Chung, Y. Kim, S. Sachdev
- Physics
- 21 October 2003

We study possible quantum phases of the Heisenberg antiferromagnet on the planar pyrochlore lattice, also known as the checkerboard lattice or the square lattice with crossings. It is assumed that… Expand

17 1- PDF

Quantum phase transitions in a resonant-level model with dissipation: Renormalization-group studies

- C. Chung, M. Glossop, L. Fritz, Marijana Kirćan, K. Ingersent, M. Vojta
- Physics
- 14 June 2007

We study a spinless level that hybridizes with a fermionic band and is also coupled via its charge to a dissipative bosonic bath. We consider the general case of a power-law hybridization function r… Expand

12 1- PDF

Strain-induced superconducting pair density wave states in graphene

- F. Xu, Po-Hao Chou, C. Chung, Ting-Kuo Lee, C. Mou
- Physics
- 17 October 2018

Graphene is known to be non-superconducting. However, surprising superconductivity is recently discovered in a flat-band in a twisted bi-layer graphene. Here we show that superconductivity can be… Expand

5 1- PDF

Formation of an electronic nematic phase in interacting fermion systems

- Igor Khavkine, C. Chung, V. Oganesyan, H. Kee
- Physics
- 23 February 2004

We study the formation of an electronic nematic phase characterized by a broken point-group symmetry in interacting fermion systems within the weak coupling theory. As a function of interaction… Expand

53- PDF

Nonequilibrium quantum transport through a dissipative resonant level

- C. Chung, K. L. Hur, G. Finkelstein, M. Vojta, P. Woelfle
- Physics
- 15 November 2012

The resonant-level model represents a paradigmatic quantum system which serves as a basis for many other quantum impurity models. We provide a comprehensive analysis of the nonequilibrium transport… Expand

9- PDF

Quantum phases of the Shastry-Sutherland antiferromagnet: Application to SrCu 2 ( BO 3 ) 2

- C. Chung, J. Marston, S. Sachdev
- Physics
- 13 February 2001

We study possible paramagnetic phases of antiferromagnets on the Shastry-Sutherland lattice by a gauge-theoretic analysis of fluctuations in a theory with $\mathrm{Sp}(2N)$ symmetry. In addition to… Expand

49- PDF

Tunable Fano-Kondo resonance in side-coupled double quantum dot systems

We study the interference between the Fano and Kondo effects in a side-coupled double quantum dot system where one of the quantum dots couples to conduction-electron bath while the other dot only… Expand

11- PDF

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