SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS
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SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS
Issue 5, Pages: 525-533(2007)
Affiliations:
1. Department of Physics Wenzhou University Wenzhou 325027
2. China
Author bio:
Funds:
This work was financially supported by the National Natural Science Foundation of China(Nos.20274040,20574052)();the Program for New Century Excellent Talents in Universities(No.NCET-05-0538)();the Natural Science Foundation of Zhejiang Province(Nos.R404047,Y405011,Y405553)();China Postdoctoral Science Foundation(No.20060401064).()
DOI:
CLC:O631.3
Published:2007
Accepted:
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[1]章林溪.SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS[J].Chinese Journal of Polymer Science,2007(05):525-533.
SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS[J]. 2007, (5): 525-533.
[1]章林溪.SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS[J].Chinese Journal of Polymer Science,2007(05):525-533.DOI:
SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS[J]. 2007, (5): 525-533.DOI:
SEGMENT DENSITY PROFILES OF COMPACT POLYMER CHAINS CONFINED BETWEEN TWO PARALLEL PLANE WALLS
We use the pruned-enriched Rosenbluth method to investigate systematically the segment density profiles of compact polymer chains confined between two parallel plane walls.The non-adsorption case of adsorption interaction energyε=0 and the weak adsorption case ofε=-1 are considered for the compact polymer chains with different chain lengths N and different separation distances between two walls D.Several special entropy effects on the confined compact polymer chains
such as a damped oscillation in the segment density profile for the large separation distance D
are observed and discussed for different separation distances D in the non-adsorption case.In the weak adsorption case
investigations on the segment density profiles indicate that the competition between the entropy and adsorption effects results in an obvious depletion layer.Moreover
the scaling laws of the damped oscillation period T
d
and the depletion layer width L
d
are obtained for the confined compact chains.Most of these results are obtained for the first time so far as we know
which are expected to understand the properties of the confined compact polymer chains more completely.
Abstract
We use the pruned-enriched Rosenbluth method to investigate systematically the segment density profiles of compact polymer chains confined between two parallel plane walls.The non-adsorption case of adsorption interaction energyε=0 and the weak adsorption case ofε=-1 are considered for the compact polymer chains with different chain lengths N and different separation distances between two walls D.Several special entropy effects on the confined compact polymer chains
such as a damped oscillation in the segment density profile for the large separation distance D
are observed and discussed for different separation distances D in the non-adsorption case.In the weak adsorption case
investigations on the segment density profiles indicate that the competition between the entropy and adsorption effects results in an obvious depletion layer.Moreover
the scaling laws of the damped oscillation period T
d
and the depletion layer width L
d
are obtained for the confined compact chains.Most of these results are obtained for the first time so far as we know
which are expected to understand the properties of the confined compact polymer chains more completely.
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