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The Boston University Institutional Repository contains documents and publications authored or co-authored by BU faculty, students, and staff.
OpenBU is an open access repository, which means that the full text of the work deposited here is freely accessible to the world via the web. Access is restricted only in unavoidable instances, for example where publisher copyright restrictions prevail. However over 90% of scholarly publishers worldwide now allow some version of the documents they publish to be made available in a repository such as this.
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BU Open Access Articles [1348]
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Recently Added
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Across the Bridge: A story of community, sociality, and art education
(Penn State Libraries, 2018-09-25)The article examines the planning, development, and outcome of an experiential learning project that brought together undergraduate studio art students and the workers of a power plant about to shut down. As one of the ... -
Pricing differentiated brokered internet services
(Institute of Electrical and Electronics Engineers (IEEE), 2016)Price war, as an important factor in undercutting competitors and attracting customers, has spurred considerable work that analyzes such conflict situation. However, in most of these studies, quality of service (QoS), as ... -
Advancement, Spring 2004
(Boston University Office of Development and Alumni Relations, 2004) -
Dynamic scaling of topological ordering in classical systems
(American Physical Society, 2018-01-29)We analyze scaling behaviors of simulated annealing carried out on various classical systems with topological order, obtained as appropriate limits of the toric code in two and three dimensions. We first consider the ... -
Indicators of conformal field theory: Entanglement entropy and multiple-point correlators
(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 ... -
Symmetry enhanced first-order phase transition in a two-dimensional quantum magnet
Theoretical studies of quantum phase transitions have suggested critical points with higher symmetries than those of the underlying Hamiltonian. Here we demonstrate a surprising emergent symmetry of the coexistence state ... -
The twist of the draped interstellar magnetic field ahead of the heliopause: a magnetic reconnection driven rotational discontinuity
(Institute of Physics Publishing, 2017-04-10)Based on the difference between the orientation of the interstellar B ISM and the solar magnetic fields, there was an expectation that the magnetic field direction would rotate dramatically across the heliopause (HP). ... -
Numerical investigations of SO(4) emergent extended symmetry in spin-1/2 Heisenberg antiferromagnetic chains
(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 ... -
Insulator to superfluid transition in coupled photonic cavities in two dimensions
(2008-06-23)A system of coupled photonic cavities on a two-dimensional square lattice is systematically investigated using the stochastic series expansion quantum Monte Carlo method. The ground state phase diagram contains insulating ... -
Epitaxial growth of Cu on Cu(001): Experiments and simulations
(American Physical Society (APS), 2000-10-15)A quantitative comparison between experimental and Monte Carlo simulation results for the epitaxial growth of Cu/Cu(001) in the submonolayer regime is presented. The simulations take into account a complete set of hopping ...
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