Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Umar Mohideen"'
Autor:
Madhav Dhital, Umar Mohideen
Publikováno v:
Physics, Vol 6, Iss 2, Pp 891-904 (2024)
Here, we review recent advances in precision Casimir force measurements with both non-magnetic and magnetic materials. In addition, the measurement of the geometric dependence of the Casimir force, both lateral and normal, using uniformly corrugated
Externí odkaz:
https://doaj.org/article/39b983670d1e4b05a97b1e86b00828b0
Publikováno v:
PLoS ONE, Vol 15, Iss 2, p e0228036 (2020)
Atomic Force Microscopy was utilized to study the morphology of Gag, ΨRNA, and their binding complexes with lipids in a solution environment with 0.1Å vertical and 1nm lateral resolution. TARpolyA RNA was used as a RNA control. The lipid used was p
Externí odkaz:
https://doaj.org/article/7e31cad5184544c8b4e6659bc8d92d56
We present the results of an experiment on measuring the gradient of the Casimir force between an Au-coated hollow glass microsphere and graphene-coated fused silica plate by means of a modified atomic force microscope cantilever based technique oper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec5006ab7449ba0b8448344282fdb280
http://arxiv.org/abs/2108.07558
http://arxiv.org/abs/2108.07558
Autor:
Shaolong Chen, Mingyue Liu, Fei Tong, Zhiwei Li, Yadong Yin, Rabih O. Al-Kaysi, Umar Mohideen, Christopher J. Bardeen
Publikováno v:
Angewandte Chemie International Edition. 58:15429-15434
The molecule (E)-(5-(3-anthracen-9-yl-allylidene)-2,2-dimethyl-[1,3] dioxane-4,6-dione) (E-AYAD) undergoes E→Z photoisomerization. In the solid state, this photoisomerization process can initiate a physical transformation of the crystal that is acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c1a8d98198f4e19b54b7d92c99b1845
https://doi.org/10.1002/anie.201907454
https://doi.org/10.1002/anie.201907454
Publikováno v:
Physical Review Letters. 126
We report precision measurements of the gradient of the Casimir force between an Au-coated sphere and graphene sheet deposited on a silica plate. The measurement data are compared with exact theory using the polarization tensor found in the framework
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2076c57ca97066b9b0e676947240ac60
https://doi.org/10.1103/physrevlett.126.206802
https://doi.org/10.1103/physrevlett.126.206802
We report precision measurements of the Casimir interaction at larger separation distances between the Au-coated surfaces of a sphere and a plate in ultrahigh vacuum using a much softer cantilever of the dynamic atomic force microscope-based setup an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6c573f4b310c4ea0ab7f48b5e3894bf
http://arxiv.org/abs/1911.00703
http://arxiv.org/abs/1911.00703
A simple and robust fiber optical interferometer was developed to non-invasively study the weak piezoelectric effect from thin samples. A biological sample from inter-molt dactyl clubs obtained from the mantis shrimp was used as the test sample. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec2ff8dc66266d999aad7726c1634787
http://arxiv.org/abs/1905.10970
http://arxiv.org/abs/1905.10970
Publikováno v:
Journal of physics. Condensed matter : an Institute of Physics journal. 31(7)
The measurement of the boundary shape dependence of the entropic force from long polymers was attempted. The pyramidal cone-plate geometry was chosen. The polymer molecules were covalently bound to a well-defined Au patch at the apex of a pyramidal c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f344b247a66b94c5f016a12d1dc309a
https://pubmed.ncbi.nlm.nih.gov/30524055
https://pubmed.ncbi.nlm.nih.gov/30524055
Publikováno v:
Modern Physics Letters A. 35:2040001
Contaminants on the boundary surfaces lead to electric potential inhomogeneities. The resulting poorly defined electric force leads to ambiguities in precision Casimir force measurements. We experimentally demonstrate that with UV light followed by A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da4a6420b6663747eb7f8e86c3cf570f
https://doi.org/10.1142/s0217732320400015
https://doi.org/10.1142/s0217732320400015
It is well known that residual electrostatic forces create significant difficulties to precise measurements of the Casimir force and to wide use of Casimir-operated microdevices. We experimentally demonstrate that with the help of Ar-ion cleaning of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48f461bd4cbe2cce86f286c2b1285789