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Browsing Articles by Title
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Insero, G.; Clivati, C.; D'Ambrosio, D.; De Natale, P.; Santambrogio, G.; Schunemann, P, G.; Borri, S.; Zondy, Jean-Jacques
(IOP Publishing, 2017-01-01)
We report on the first characterization of orientation-patterned gallium phosphide (OP-GaP) crystals used to generate narrow-linewidth, coherent mid-infrared (MIR) radiation at 5.85 μm by difference frequency generation ...
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Good, Michael R. R.; Anderson, Paul R.; Evans, Charles R.
(Physical Review D - Particles, Fields, Gravitation and Cosmology, 2016-09-12)
An exact correspondence between a black hole and an accelerating mirror is demonstrated. It is shown that for a massless minimally coupled scalar field, the same Bogolubov coefficients connecting the "in" and "out" states ...
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Oikonomou, Thomas; Bagci, G. Baris
(Physics Letters A, 2017-01-30)
Abstract It is well-known that the partition function can consistently be factorized from the canonical equilibrium distribution obtained through the maximization of the Shannon entropy. We show that such a normalized and ...
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Tsitsas, N. L.; Valagiannopoulos, Constantinos
(IEEE, 2017)
Obtaining anomalous reflection and transmission (namely propagation along directions different from those predicted by Snell’s law) is investigated for plane waves impinging on a planar periodic metasurface composed of two ...
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Good, Michael R. R.; Linder, Eric V.; Wilczek, Frank
(PHYSICAL REVIEW D, 2020-01-30)
We analyze the flow of energy and entropy emitted by a class of moving mirror trajectories which
provide models for important aspects of the radiation fields produced by black hole evaporation.
The mirror radiation fields ...
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Valagiannopoulos, Constantinos; Mandilara, A.; Moiseev, S. A.; Akulin, V. M.
(arXiv, 2017-01-12)
We show how by a tailored breaking of the translational symmetry in waveguides and optical bers
one can control chromatic dispersions of the individual modes at any order and thereby overcome
the problem of coherent ...
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Patil, Mandar; Joshi, Pankaj S.; Malafarina, D.
(2011-02-14)
We generalize here our earlier results on particle acceleration by naked singularities. We showed recently [1] that the naked singularities that form due to gravitational collapse of massive stars provide a suitable ...
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Radice, David; Ott, Christian D.; Abdikamalov, Ernazar; Couch, Sean M.; Haas, Roland; Schnetter, Erik
(American Astronomical Society, 2016-03)
We present results from high-resolution semiglobal simulations of neutrino-driven convection in core-collapse supernovae. We employ an idealized setup with parameterized neutrino heating/cooling and nuclear dissociation ...
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Cafiero, Mauricio; Bubin, Sergiy; Adamowicz, Ludwik
(2003)
We review a recent development in high-accuracy non-Born–Oppenheimer calculations of atomic and
molecular systems in a basis of explicitly correlated Gaussian functions. Much of the recent progress in this area
is due ...
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Bubin, Sergiy; Stanke, Monika; Adamowicz, Ludwik
(2009)
Variational calculations employing explicitly correlated Gaussian basis functions have been performed for the ground state of the boron monohydride molecule BH and for the boron atom B . Up to 2000 Gaussians were used ...
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Stanke, Monika; Bubin, Sergiy; Molski, Marcin; Adamowicz, Ludwik
(2009)
In this work we report variational calculations of the two lowest vibrational states of the HD molecule within
the framework that does not assume the Born-Oppenheimer BO approximation. The nonrelativistic energies
of ...
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Pavanello, Michele; Bubin, Sergiy; Molski, Marcin; Adamowicz, Ludwik
(2005)
Very accurate calculations of the pure vibrational spectrum of the HeH+ ion are reported. The
method used does not assume the Born–Oppenheimer approximation, and the motion of both the
electrons and the nuclei are treated ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2004)
Very accurate non-Born–Oppenheimer variational calculations of the ground state of e1LiH have been performed using explicitly correlated Gaussian functions with preexponential factors dependent on powers of the internuclear ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2006)
Very accurate, rigorous, variational, non-Born-Oppenheimer non-BO calculations have been performed for the fully symmetric, bound states of the LiH+ ion. These states correspond to the ground and excited vibrational ...
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Bednarz, Eugeniusz; Bubin, Sergiy; Adamowicz, Ludwik
(2005)
We report fully nonadiabatic calculations of all rotationless bound states of HT+ molecular ion st+p+e−d carried out in the framework of the variational method. We show that, in all the states, except the two highest ones, ...
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Boardman, A.D.; Grimalsky, V.V.; Guo, T.; Kibler, B.; McNiff, J.; Nefedov, I.; Rapoport, Y.; Argyropoulos, C.; Valagiannopoulos, Constantinos
(Nazarbayev University School of Science and Technology, 2018-05-07)
The investigation of hyperbolic metamaterials, shows that metal layers that are part of graphene structures, and also types I and II layered systems, are readily controlled. Since graphene is a nicely conducting sheet it ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2004)
We took the complete nonrelativistic Hamiltonians for the LiH and LiH2 systems, as well as their deuterated isotopomers, we separated the kinetic energy of the center of mass motion from the Hamiltonians, and with the use ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2006)
Highly accurate ground-state nonrelativistic variational calculations of Ps2, 1HPs, and HPs are reported. The calculations have been performed using 5000 explicitly correlated Gaussian basis functions and yielded the ...
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Bambi, Cosimo; Malafarina, D.; Modesto, Leonardo
(2013-08-07)
We consider general relativistic homogeneous gravitational collapses for dust and radiation. We show that replacing the density profile with an effective density justified by some quantum gravity framework leads to the ...
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Bambi, Cosimo; Malafarina, D.; Tsukamoto, Naoki
(2014-06-25)
The spin measurement of black holes has important implications in physics and astrophysics. Regardless of the specific technique to estimate the black hole spin, all the current approaches assume that the space-time geometry ...