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Physicists at Boston University look to open a window on the universe. An understanding of physics can elucidate everything from how a ball falls to the ground to what the early universe looked like, can shed light on the forces guiding the cosmos and the behavior of subatomic particles. A degree in physics provides the intellectual foundation for applications in engineering, technology, and industry, as well as in training the next generation of scientists at both the high school and university levels.


Department chair: Andrei Ruckenstein
Campus address: 590 Commonwealth Avenue
Phone: 617-353-2600
Fax: 617-353-9393

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  • Thermal-induced slippage of soft solid films 

    Yu, Xuanji; Chen, Fei; LAM, Chi-Hang; Tsui, Ophelia (American Physical Society, 2019-01-22)
    The dynamics of interfacial slippage of entangled polystyrene (PS) films on an adsorbed layer of polydimethylsiloxane (PDMS) on silicon was studied from the surface capillary dynamics of the films. By using PS with different ...
  • Monte Carlo simulations of quantum spin systems in the valence bond basis 

    Sandvik, Anders W.; Beach, K.S.D. (2007)
    We discuss a projector Monte Carlo method for quantum spin models formulated in the valence bond basis, using the S=1/2 Heisenberg antiferromagnet as an example. Its singlet ground state can be projected out of an arbitrary ...
  • Indicators of conformal field theory: Entanglement entropy and multiple-point correlators 

    Patil, Pranay; Tang, Ying; Katz, Emanuel; Sandvik, Anders W. (American Physical Society, 2017-07-27)
    The entanglement entropy (EE) of quantum systems is often used as a test of low-energy descriptions by conformal field theory (CFT). Here we point out that this is not a reliable indicator, as the EE often shows the same ...
  • Dual time scales in simulated annealing of a two-dimensional Ising spin glass 

    Rubin, Shanon J.; Xu, Na; Sandvik, Anders W. (American Physical Society, 2017-05-22)
    We apply a generalized Kibble-Zurek out-of-equilibrium scaling ansatz to simulated annealing when approaching the spin-glass transition at temperature T=0 of the two-dimensional Ising model with random J=±1 couplings. ...
  • Dynamic scaling in the two-dimensional Ising spin glass with normal-distributed couplings 

    Xu, Na; Wu, Kai-Hsin; Rubin, Shanon J.; Kao, Ying-Jer; Sandvik, Anders W. (American Physical Society, 2017-11-02)
    We carry out simulated annealing and employ a generalized Kibble-Zurek scaling hypothesis to study the two-dimensional Ising spin glass with normal-distributed couplings. The system has an equilibrium glass transition at ...
  • Modulated phases in a three-dimensional Maier-Saupe model with competing interactions 

    Bienzobaz, P.F.; Xu, Na; Sandvik, Anders W. (American Physical Society, 2017-07-19)
    This work is dedicated to the study of the discrete version of the Maier-Saupe model in the presence of competing interactions. The competition between interactions favoring different orientational ordering produces a rich ...
  • Dynamical properties of the S=1/2 random Heisenberg chain 

    Shu, Yu-Rong; Dupont, Maxime; Yao, Dao-Xin; Capponi, Sylvain; Sandvik, Anders W. (American Physical Society, 2018-03-28)
    We study dynamical properties at finite temperature (T) of Heisenberg spin chains with random antiferromagnetic exchange couplings, which realize the random singlet phase in the low-energy limit, using three complementary ...
  • Typicality at quantum-critical points 

    Liu, Lu; Sandvik, Anders W.; Guo, Wenan (IOP PUBLISHING LTD, 2018-08-01)
    We discuss the concept of typicality of quantum states at quantum-critical points, using projector Monte Carlo simulations of an S = 1/2 bilayer Heisenberg antiferromagnet as an illustration. With the projection (imaginary) ...
  • Numerical investigations of SO(4) emergent extended symmetry in spin-1/2 Heisenberg antiferromagnetic chains 

    Patil, Pranay; Katz, Emanuel; Sandvik, Anders W. (American Physical Society, 2018-07-10)
    The antiferromagnetic Heisenberg chain is expected to have an extended symmetry, [SU(2)×SU(2)]/Z2, in the infrared limit whose physical interpretation is that the spin and dimer order parameters form the components of a ...
  • Critical level crossings and gapless spin liquid in the square-lattice spin-1/2 J1-J2 Heisenberg antiferromagnet 

    Wang, Ling; Sandvik, Anders W. (2017-02-27)
    We use the DMRG method to calculate several energy eigenvalues of the frustrated S = 1 / 2 square-lattice J 1 - J 2 Heisenberg model on 2 L × L cylinders with L ≤ 10. We identify ...

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