Sarang Gopalakrishnan


Department of Physics
Harvard University
17 Oxford Street
Cambridge, MA 02138
Office: 332 Lyman
Email: sarang at badger dot glue dot physics dot harvard dot edu
(minus the obvious interpolations)

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I am a theoretical condensed-matter physicist. I'm currently a postdoc at the Harvard physics dept. and at the Harvard Quantum Optics Center; I recently completed my Ph.D. dissertation at the University of Illinois, under the supervision of Paul Goldbart. I am interested in a wide range of topics in quantum many-body physics; specific topics I have worked on, or am working on, include: (a) spatially inhomogeneous (e.g., liquid-crystalline, crystalline, and glassy) phases of quantum systems; (b) cavity QED as a means of engineering interactions of controllable range and structure; (c) dispersion-engineering by mechanical or optical means (e.g., synthetic gauge fields for cold atoms, strain-induced "magnetic fields" in graphene); (d) superfluid-insulator transitions in disordered systems; and (e) quantum impurity problems.

I graduated summa cum laude from Amherst College in 2006 with a B.A. in physics and mathematics. My undergraduate thesis -- supervised by Will Loinaz -- was on singular potentials and self-adjointness in non-relativistic quantum mechanics.


My curriculum vitae


Publications and preprints

  1. SG, B.L. Lev, and P.M. Goldbart,
    "Emergent crystallinity and frustration with Bose-Einstein condensates in multimode cavities," Nature Physics 5, 845-850 (2009)
    [see also: arXiv:0903.2254]

  2. S. Lal, SG, and P.M. Goldbart,
    "Approaching multichannel Kondo physics with correlated bosons: Quantum phases and how to realize them," Physical Review B 81, 245314 (2010)
    [see also: arXiv:0910.1579]

  3. SG, B.L. Lev, and P.M. Goldbart,
    "Atom-light crystallization of BECs in multimode cavities: Nonequilibrium classical and quantum phase transitions, emergent lattices, supersolidity, and frustration," arXiv:1007.0922 (2010)
    Phys. Rev. A 82, 043612 (2010) [featured in Physics 3, 88 (2010)]

  4. M.W. Brenner, SG, J. Ku, T.J. McArdle, J.N. Eckstein, N. Shah, P.M. Goldbart, and A. Bezryadin,
    "Cratered Lorentzian response of driven microwave superconducting nanowire-bridged resonators: oscillatory and magnetic-field induced stochastic states," arxiv:1101.0817
    Phys. Rev. B 83, 184503 (2011)

  5. SG, A. Lamacraft, and P.M. Goldbart,
    "Universal phase structure of dilute Bose gases with Rashba spin-orbit coupling," arXiv:1106.2552 (2011)
    Phys. Rev. A 84, 061604(R) (2011)

  6. S. Eley, SG, P.M. Goldbart, and N. Mason,
    "Approaching Zero-Temperature Metallic States in Mesoscopic Superconductor-Normal-Superconductor Arrays," arXiv:1107.2837 (2011)
    Nature Physics 8, 69 (2012).

  7. SG, B.L. Lev, and P.M. Goldbart,
    "Exploring models of associative memory via cavity quantum electrodynamics," Phil. Mag. DOI: 10.1080/14786435.2011.637980 (2011)

  8. SG, B.L. Lev, and P.M. Goldbart,
    "Frustration and glassiness in spin models with cavity-mediated interactions," arXiv:1108.1400 (2011)
    Phys. Rev. Lett. 107, 277201 (2011)

  9. SG, P. Ghaemi, and S. Ryu,
    "Non-Abelian SU(2) gauge fields through density-wave order and strain in graphene," arXiv:1205.0014 (2011)
    Phys. Rev. B 86, 081403(R) (2012)

  10. P. Ghaemi, SG, and T.L. Hughes,
    "Designer quantum spin Hall phase transition in molecular graphene," arXiv:1205.4728 (2011)

  11. S. Eley, SG, P.M. Goldbart, and N. Mason,
    "Fate of global superconductivity in arrays of long SNS junctions," arXiv:1206.5999 (2011)


Collaborators, Mentors, etc.