171 citations · 1.1k across the 73 of their papers we have counts for
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cond-mat.stat-mech1998★ 5 cited
Incommensuration in quantum antiferromagnetic chain
Somendra M. Bhattacharjee, Sutapa Mukherji
A dimerized quantum Heisenberg or XY antiferromagnetic chain has a gap in the spectrum. We show that a weak incommensurate modulation around a dimerized chain produces a zero tempe…
cond-mat.stat-mech1998
Coexistence of spanning clusters in directed percolation
Parongama Sen, Somendra M. Bhattacharjee
The probability distribution for the number of top to bottom spanning clusters in Directed percolation in two and three dimensions appears to be universal and is of the form $P(n)…