Ramis Movassagh  Ramis Movassagh photo         

contact information

Research Staff Member
Cambridge Research Center, Cambridge, MA USA
  +1dash617dash792dash6246

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2017

The gap of the area-weighted Motzkin spin chain is exponentially small
Lionel Levine, Ramis Movassagh
J. Phys. A: Math. Theor. 50(255302), 2017

Generic Local Hamiltonians are Gapless
Ramis Movassagh
Physical Review Letters 119(220504), 2017
Abstract

The Green's function for the Hueckel (tight-binding) model
Ramis Movassagh, Gilbert Strang, Yuta Tsuji, Roald Hoffmann
Journal of Mathematical Physics 58(3), 033505, AIP Publishing, 2017

Entanglement and correlation functions of the quantum Motzkin spin-chain
Ramis Movassagh
Journal of Mathematical Physics 58(3), 031901, AIP Publishing, 2017


2016

Eigenvalue Attraction
Ramis Movassagh
Journal of Statistical Physics 162(3), 615--643, Springer, 2016

Supercritical entanglement in local systems: Counterexample to the area law for quantum matter
Ramis Movassagh, Peter W. Shor
Proc. Natl. Acad. Sci. USA, 2016


2012

Eigenvalues and Low Energy Eigenvectors of Quantum Many-Body Systems
Ramis Movassagh
PhD Thesis, Massachusetts Institute of Technology, 2012

Criticality without frustration for quantum spin-1 chains
Sergey Bravyi, Libor Caha, Ramis Movassagh, Daniel Nagaj, Peter W Shor
Physical review letters 109(20), 207202, APS, 2012


2011

Density of states of quantum spin systems from isotropic entanglement
Ramis Movassagh, Alan Edelman
Physical review letters 107(9), 097205, APS, 2011


2010

Unfrustrated qudit chains and their ground states
Ramis Movassagh, Edward Farhi, Jeffrey Goldstone, Daniel Nagaj, Tobias J Osborne, Peter W Shor
Physical Review A 82(1), 012318, APS, 2010