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Title: The effects of a laser field on phase transitions in liquid crystals
Authors: Agarwal, Amit K.
Ranganath, G.S.
Keywords: Phase transitions
Liquid crystals
Laser absorption
Issue Date: Apr-2006
Publisher: Taylor & Francis
Citation: Phase Transitions, 2006, Vol.79, p261-275
Abstract: We investigate theoretically some phase transitions in liquid crystals in the presence of a laser beam. We found, in non-absorbing nematics, a laser-induced one-way transition from a paranematic to a nematic phase. In absorbing nematics we found, in addition to this transition, a one-way transition from a nematic to a paranematic phase with increasing laser intensity. Further, we found a reentrant nematic or a reentrant paranematic via paranematic or nematic phase respectively. In the case of smectic A, laser absorption results in a coupling between the positional and orientational orders. As a result, the smectic A to nematic transition can change from second
Description: Restricted Access.
ISSN: 0141-1594
1029-0338 (Online)
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Copyright: (2006) by Taylor & Francis
Appears in Collections:Research Papers (SCM)

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