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23 papers · 1 filter
Classical Spin Models with Broken Continuous Symmetry: Random Field Induced Order and Persistence of Spontaneous Magnetization
Aditi Sen De, Ujjwal Sen, Jan Wehr +1
We consider a classical spin model, of two-dimensional spins, with continuous symmetry, and investigate the effect of a symmetry breaking unidirectional quenched disorder on the ma…
SU(6), Triquark states, and the pentaquark
Swarup Kumar Majee, Amitava Raychaudhuri
The purported observation of a state with strangeness S = +1 led to its quark model interpretation in terms of a pentaquark combination involving a triquark-diquark structure…
Local Indistinguishability and Possibility of Hiding cbits in Activable Bound Entangled States
Indrani Chattopadhyay, Debasis Sarkar
In this letter we prove local indistinguishability of four orthogonal activable bound entangled states shared among even number of parties. All reduced density matrices of such sta…
Unraveling neutrino parameters with a magical beta-beam experiment at INO
Sanjib Kumar Agarwalla, Sandhya Choubey, Amitava Raychaudhuri
We expound in detail the physics reach of an experimental set-up in which the proposed large magnetized iron detector at the India-based Neutrino Observatory (INO) would serve as t…
A complex periodic QES potential and exceptional points
B. Bagchi, C. Quesne, R. Roychoudhury
We show that the complex -symmetric periodic potential , where is real and is a positive integer, is quasi-exactly solvable. For…
General Relativistic effects on the conversion of nuclear to two-flavour quark matter in compact stars
Abhijit Bhattacharyya, Sanjay K. Ghosh, Ritam Mallick +1
We investigate the General Relativistic (GR) effects on the conversion from nuclear to two-flavour quark matter in compact stars, both static as well as rotating. We find that GR e…