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Fluctuation-induced forces between inclusions in a fluid membrane under tension.
- Source :
-
Physical review letters [Phys Rev Lett] 2011 Nov 25; Vol. 107 (22), pp. 228104. Date of Electronic Publication: 2011 Nov 23. - Publication Year :
- 2011
-
Abstract
- We develop an exact method to calculate thermal Casimir forces between inclusions of arbitrary shapes and separation, embedded in a fluid membrane whose fluctuations are governed by the combined action of surface tension, bending modulus, and Gaussian rigidity. Each object's shape and mechanical properties enter only through a characteristic matrix, a static analog of the scattering matrix. We calculate the Casimir interaction between two elastic disks embedded in a membrane. In particular, we find that at short separations the interaction is strong and independent of surface tension.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 107
- Issue :
- 22
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 22182045
- Full Text :
- https://doi.org/10.1103/PhysRevLett.107.228104