Zobrazeno 1 - 10
of 73
pro vyhledávání: '"John H. Jefferson"'
If simple guidelines could be established for understanding how quantum interference (QI) can be exploited to control the flow of electricity through single molecules, then new functional molecules, which exploit room-temperature QI could be rapidly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::66a61743cc7a433d5019a2d4032a9eac
https://zenodo.org/record/3719200
https://zenodo.org/record/3719200
Autor:
T. Rejec, Sara Sangtarash, Hatef Sadeghi, Anton Ramšak, John H. Jefferson, Lara Ulčakar, Jure Kokalj, Colin J. Lambert
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
Scientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
If simple guidelines could be established for understanding how quantum interference (QI) can be exploited to control the flow of electricity through single molecules, then new functional molecules, which exploit room-temperature QI could be rapidly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ca31e36c7ad443df4e199d5b392a20c
Publikováno v:
New Journal of Physics, Vol 16, Iss 10, p 103025 (2014)
We show that the state of a flying qubit may be transferred to a chain of identical, (near) ferromagnetically polarized, but non-interacting, static spin- $\frac{1}{2}$ particles in a passive way. During this process the flying qubit is coherently po
Externí odkaz:
https://doaj.org/article/2e7e74a31b604ba58aa7aefe5083fa4e
Autor:
David G. Pettifor, Nicholas M. Harrison, John H. Jefferson, B. Montanari, Ling Ge, G. Andrew D. Briggs
The $\text{Sc}@{\text{C}}_{82}$ endohedral fullerenes inside a single-wall semiconducting or metallic nanotube form a well-defined chain of antiferromagnetically coupled spins. Using hybrid density functional theory (DFT), we find that the spin resid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed605448fda1b848e97b8b64d4f5eb13
https://doi.org/10.1103/physrevb.77.235416
https://doi.org/10.1103/physrevb.77.235416
A theoretical scheme is presented for the entanglement of two-electron spin qubits bound in series within a quasi-one-dimensional mesoscopic structure at a distance beyond their normal range of interaction. A third electron is scattered from them, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::605e101f04f486279202f674b91cb46c
https://ora.ox.ac.uk/objects/uuid:b48a7b0f-aee4-4411-9c25-182ef17365a0
https://ora.ox.ac.uk/objects/uuid:b48a7b0f-aee4-4411-9c25-182ef17365a0
Autor:
Haruya Okimoto, Takao Akachi, B. Montanari, G. Andrew D. Briggs, Nicholas M. Harrison, Ling Ge, Yasuhiro Ito, Arzhang Ardavan, Hisanori Shinohara, Andrew A. R. Watt, Jamie H. Warner, Kyriakos Porfyrakis, John H. Jefferson
We filled SWNTs with the paramagnetic fullerene Sc@C82 to form peapods. The interfullerene 1D packing distance measured using TEM is d = 1.1 +/- 0.02 nm. The Sc@C82 in SWNT peapods continuously rotated during the 2 s TEM exposure time, and we did not
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f1a4b8c5e10e9849af88cc9e3d53e01
https://ora.ox.ac.uk/objects/uuid:418b47c7-92f3-49b2-9fae-d9b33b63480f
https://ora.ox.ac.uk/objects/uuid:418b47c7-92f3-49b2-9fae-d9b33b63480f
Publikováno v:
Semiconductor Science and Technology. 22:1025-1032
We present and study a method to form quantum wires within a bevel-etched semiconductor heterostructure in which n-type quantum wires may be formed either next to a hole-charged region or a depleted quantum well region. By employing Schrodinger and P
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f1282345bc2699d5ab0c891b0c9e4f7
https://doi.org/10.1088/0268-1242/22/9/009
https://doi.org/10.1088/0268-1242/22/9/009
Autor:
Ian M. Ross, J. Orr, A. G. Cullis, Isaac J. Luxmoore, Philip Derek Buckle, Paul W. Fry, John H. Jefferson
Publikováno v:
Thin Solid Films. 515:6791-6797
In this study we have fabricated tungsten containing nano-wires using focused electron and ion beams from a tungsten hexacarbonyl precursor. The temperature dependent conductive properties of the wires have been investigated. Although a superconducti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60b8fcd872097e0148df4244f95d36e9
https://doi.org/10.1016/j.tsf.2007.02.029
https://doi.org/10.1016/j.tsf.2007.02.029
An exact solution is presented for the time-dependent wavefunction of a Kramers doublet which propagates around a quantum ring with tuneable Rashba spin-orbit interaction. By propagating in segments it is shown that Kramers-doublet qubits may be defi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb3ee920f34d718df49f2f5b516cc101
http://arxiv.org/abs/1511.06608
http://arxiv.org/abs/1511.06608
Autor:
G. A. D. Briggs, David G. Pettifor, D. Gunlycke, Steven Bailey, John H. Jefferson, Colin J. Lambert
Publikováno v:
Europhysics Letters (EPL). 73:759-764
We propose a method to modulate the bandgaps in quasi-metallic carbon nanotubes using a transverse electric field. Unlike previous investigations, we include curvature effects of the nanotubes by incorporating both $\pi$- and $\sigma$-orbitals in our
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb281145ebca743e394ee0a38b76921d
https://doi.org/10.1209/epl/i2005-10446-x
https://doi.org/10.1209/epl/i2005-10446-x