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We define an infinite class of integrable theories with a defect which are formulated as chiral defect perturbations of a conformal field theory. Such theories can be interacting in the bulk, and areâ€¦ (More)

Exact expressions of the boundary state and the form factors of the Ising model are used to derive differential equations for the one-point functions of the energy and magnetization operators of theâ€¦ (More)

We examine harmonic oscillator defects coupled to a photon field in the environs of an optical fiber. Using techniques borrowed or extended from the theory of two dimensional quantum fields withâ€¦ (More)

- Robert M. Konik, Thomas M. Rice, Alexei M. Tsvelik
- Physical review letters
- 2006

We analyze a model of two-leg Hubbard ladders weakly coupled by interladder tunneling. At half filling a semimetallic state with small Fermi pockets is induced beyond a threshold tunneling strength.â€¦ (More)

- Jean-SÃ©bastien Caux, Robert M. Konik
- Physical review letters
- 2012

Using a numerical renormalization group based on exploiting an underlying exactly solvable nonrelativistic theory, we study the out-of-equilibrium dynamics of a 1D Bose gas (as described by theâ€¦ (More)

- Robert M. Konik, Yury Adamov
- Physical review letters
- 2007

We present a renormalization group (RG) procedure which works naturally on a wide class of interacting one-dimension models based on perturbed (possibly strongly) continuum conformal and integrableâ€¦ (More)

We review applications of the sine-Gordon model, the O(3) non-linear sigma model, the U(1) Thirring model, and the O(N) Grossâ€“Neveu model to quasi one-dimensional quantum magnets, Mott insulators,â€¦ (More)

- Madeleine Dean, Anthony A. James, +10 authors J. P. Hill
- Physical review letters
- 2013

We investigate the high-energy magnetic excitation spectrum of the high-T(c) cuprate superconductor Bi(2)Sr(2)CaCu(2)O(8+Î´) (Bi-2212) using Cu L(3) edge resonant inelastic x-ray scattering. Broad,â€¦ (More)

- U. A. Eichmann, T. F. Gallagher, Robert M. Konik
- Physical review letters
- 2003

In a photoionization spectrum in which there is no excitation of the discrete states, but only the underlying continuum, we have observed resonances which appear as symmetric peaks, not the commonlyâ€¦ (More)

- Lei Wang, Haiqing Liu, Robert M. Konik, James A. Misewich, Stanislaus S Wong
- Chemical Society reviews
- 2013

One means of combining the unique physical and chemical properties of both carbon nanotubes and complementary material motifs (such as metal sulfide quantum dots (QDs), metal oxide nanostructures,â€¦ (More)