Pelcovits Research

Robert A. Pelcovits
Professor of Physics
Bob PelcovitsBob Pelcovits

    Bob Pelcovits joined the Brown Physics Department in 1979. A graduate of the University of Pennsylvania, he received his Ph. D. from Harvard University in 1978. He has done postdoctoral research at the University of Illinois and Brookhaven National Laboratory. He was an Alfred P. Sloan Fellow and a recipient of the Bergmann Memorial Award from the U.S.-Israel Binational Science Foundation. He has been a visiting professor at the Weizmann Institute of Science, Tel Aviv University and Brandeis University.

RESEARCH INTERESTS: Theoretical soft condensed matter physics with emphasis on liquid crytals.


“Theory of depletion-induced phase transition from chiral smectic-A twisted ribbons to semi-infinite flat membranes,”(with C. N. Kaplan, H. Tu and R. B. Meyer), Phys. Rev. E 82, 021701 (2010).

"Twist penetration in single-layer smectic A discs of colloidal virus particles", (with R. B. Meyer), Liq. Cryst. 36, 1157 (2009).

"Nematic cells with quasicrystalline-patterned alignment layers", (with  M. H. Schwarz), Phys. Rev. E 79, 022701 (2009).

"Direct measurement of the twist penetration length in a single smectic C layer of colloidal virus particles", (with E. Barry, Z. Dogic, R. B. Meyer and R. Oldenbourg), J. Phys. Chem B 113, 3910 (2009).

"Nematic cells with defect-patterned alignment layers", (with A. S. Backer and A. C. Callan-Jones), Phys. Rev. E 77,021701 (2008).

"Vesicle shape, molecular tilt, and the suppression of necks," (with H. Jiang, G. Huber and T. R. Powers), Phys. Rev. E.76, 031908 (2007).

"Dynamics of the molecular orientation field coupled to ions in two-dimensional liquid crystals," (with J-B. Lee and R. B. Meyer), Phys. Rev. E 76, 021704 (2007).

"Role of electrostatics in the texture of islands in free-standing ferroelectric liquid crystal films," (with J-B. Lee and R. B. Meyer), Phys. Rev. E 75, 051701 (2007).

"Untwisting of a strained cholesteric elastomer by disclination loop nucleation," (with A. Callan-Jones, R. B. Meyer, and A. F. Bower), Phys. Rev. E. 75, 011701 (2007).