Results 111 to 120 of about 30,676 (308)

Spin detection at elevated temperatures using a driven double quantum dot [PDF]

open access: yes, 2010
We consider a double quantum dot in the Pauli blockade regime interacting with a nearby single spin. We show that under microwave irradiation the average electron occupations of the dots exhibit resonances that are sensitive to the state of the nearby ...
Wabnig, J   +14 more
core   +1 more source

Spatially‐Resolved Coherence of Organic Molecular Spins at Room‐Temperature

open access: yesAdvanced Functional Materials, EarlyView.
Molecular spin qubits are emerging as a promising quantum sensing technology. This paper studies the variation in coherence and sensitivity in both crystalline and thin‐film samples by combining microscopy and room temperature optically detected coherent control.
Adrian Mena   +5 more
wiley   +1 more source

The Physics of Bells: Particle Masses as Resonant Modes of the V23 Structured Vacuum

open access: yes
We present a complete geometric derivation of the particle mass spectrum from Structured Vacuum Theory (TVS), demonstrating that fundamental particles are resonant modes of a 23-channel discrete vacuum geometry. The electron, muon, proton, and Higgs boson masses are derived with errors
openaire   +1 more source

Nuclear magnetic resonance cryoporometry [PDF]

open access: yes, 2008
Nuclear Magnetic Resonance (NMR) cryoporometry is a technique for non-destructively determining pore size distributions in porous media through the observation of the depressed melting point of a confined liquid.
Webber, J. Beau W.   +5 more
core   +1 more source

Optical Signature of Moiré Superlattices Formed by Twisted SrTiO3 Membranes

open access: yesAdvanced Functional Materials, EarlyView.
We discover optical signatures from bonded interfaces in twisted SrTiO3 moiré superlattices, including low‐frequency Raman vibrational modes and strong second‐harmonic generation, consistent with strong interlayer coupling inferred from cross‐sectional electron microscopy and ab initio calculations. ABSTRACT Moiré superlattices formed at the interfaces
T. A. M. Ragib Shahriar   +13 more
wiley   +1 more source

Measurement of the inclusive t t ¯ $$ \textrm{t}\overline{\textrm{t}} $$ cross section in final states with at least one lepton and additional jets with 302 pb −1 of pp collisions at s $$ \sqrt{\textrm{s}} $$ = 5.02 TeV

open access: yesJournal of High Energy Physics
A measurement of the top quark pair ( t t ¯ $$ \textrm{t}\overline{\textrm{t}} $$ ) production cross section in proton-proton collisions at a centre-of-mass energy of 5.02 TeV is presented.
The CMS collaboration   +2400 more
doaj   +1 more source

Nonlinear cyclotron-resonance accelerations by a generalized EM wave [PDF]

open access: yes, 2004
12th International Congress on Plasma Physics, 25-29 October 2004, Nice (France)Particle accelerations by a 1D, EM, dispersive pulse in an external magnetic field are investigated.
Akimoto, Kazuhiro, Hojo, Hitoshi
core  

Toward Enhanced Inertial Sensing via Dynamically Soft Topological States in Piezoelectric Microacoustic Metamaterials

open access: yesAdvanced Functional Materials, EarlyView.
A piezoelectric microacoustic wave device exploiting topologically protected interface states with significantly higher dynamic compliance than Lamb or Rayleigh modes achieves record‐high out‐of‐plane particle velocities exceeding 51 m/s. These findings indicate that leveraging topological interface states can overcome key limitations of piezoelectric ...
Onurcan Kaya   +12 more
wiley   +1 more source

Inclusive and differential measurements of the t t ¯ γ $$ \textrm{t}\overline{\textrm{t}}\upgamma $$ cross section and the t t ¯ γ / t t ¯ $$ \textrm{t}\overline{\textrm{t}}\upgamma /\textrm{t}\overline{\textrm{t}} $$ cross section ratio in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV

open access: yesJournal of High Energy Physics
Inclusive and differential cross section measurements of top quark pair ( t t ¯ $$ \textrm{t}\overline{\textrm{t}} $$ ) production in association with a photon (γ) are performed as a function of lepton, photon, top quark, and t t ¯ $$ \textrm{t}\overline{
The CMS collaboration   +2420 more
doaj   +1 more source

QCD equation of state and dark matter [PDF]

open access: yes, 2012
The QCD equation of state is not often discussed in cosmology. However, the relic density of weakly interacting massive particles (WIMPs) depends on the entropy and the expansion rate of the Universe when they freeze out, at a temperature in the range ...
Philipsen, Owe   +3 more
core   +1 more source

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