Results 101 to 110 of about 91,026 (243)

Charging a quantum battery from the Bloch Sphere

Annalen der Physik, Volume 538, Issue 1, January 2026.
This study uncovers the origin of the ergotropy stockpiled during the charging of a quantum battery, as well as the genesis of the battery capacity. It is found that both coherences and population inversion can meaningfully contribute, and the balance between these two mechanisms is intimately related to the initial state of the charger as well as the ...
Charles Andrew Downing, Muhammad Shoufie Ukhtary   +1 more
wiley   +1 more source

Stability Analysis of Different Quaternion‐Valued Impulsive BAM Neural Networks With Unknown Parameters and Time‐Varying Delays

Engineering Reports, Volume 8, Issue 1, January 2026.
This work tackles the unresolved stability problem of heterogeneous quaternion‐valued BAM neural networks plagued by unknown parameters, time‐varying delays, and impulses. By synergizing Lyapunov theory with inequality techniques, we establish rigorous, yet practical, global stability conditions.
Xi Long, Yaqin Li
wiley   +1 more source

T-duality to scattering amplitude and Wilson loop in non-commutative super Yang-Mills theory

Journal of High Energy Physics, 2018
We first perform bosonic T-duality transformation on one of the marginal TsT (T-duality, shift, T-duality)-deformed AdS 5×S 5 spacetime, which corresponds to 4D N=4 $$ \mathcal{N}=4 $$ non-commutative super Yang-Mills theory (NCSYM).
Song He, Hongfei Shu
doaj   +1 more source

Entanglement in Quantum Systems Based on Directed Graphs

Advanced Quantum Technologies, Volume 9, Issue 1, January 2026.
The entanglement properties of quantum states associated with directed graphs are investigated. It is proved that the vertex degree distribution fully determines this entanglement measure, which remains invariant under vertex relabeling, thereby highlighting its topological character.
Lucio De Simone, Roberto Franzosi
wiley   +1 more source

Robust metrics for quantifying and comparing resistance and recovery in experimental studies

Methods in Ecology and Evolution, Volume 17, Issue 1, Page 6-14, January 2026.
Abstract Various indices have been developed to experimentally quantify resistance and recovery (two components of engineering resilience) in response to anthropogenic and natural disturbances. This diversity complicates the selection of appropriate metrics for comparing resilience across ecosystems and studies.
Zewei Zhuang, Rubén Díaz‐Sierra, Yuxin Chen   +2 more
wiley   +1 more source

Generalised kinematics for double field theory

Journal of High Energy Physics, 2017
We formulate a kinematical extension of Double Field Theory on a 2d-dimensional para-Hermitian manifold Pηω $$ \left(\mathcal{P},\eta, \omega \right) $$ where the O(d, d) metric η is supplemented by an almost symplectic two-form ω.
Laurent Freidel, Felix J. Rudolph, David Svoboda   +2 more
doaj   +1 more source

Connes' Model Building Kit

, 1993
Alain Connes' applications of non-commutative geometry to interaction physics are described for the purpose of model building.Comment: 35 pages, LATeX, CPT-93/P ...
Alvarez, Alvarez, Balakrishna, Balakrishna, Chamseddine, Chamseddine, Chamseddine, Chamseddine, Connes, Connes, Connes, Connes, Coquereaux, Coquereaux, Coquereaux, Coquereaux, Dubois-Violette, Dubois-Violette, Dubois-Violette, Dubois-Violette, Dubois-Violette, Dubois-Violette, Dubois-Violette, Dubois-Violette, Grosse, Häuβling, Häuβling, Iochum, Jean-Marc Zylinski, Kastler, Kastler, Kastler, Kastler, Kubo, Madore, Madore, Madore, Madore, Madore, Madore, Madore, Madore, Papadopoulos, Scheck, Thomas Schücker, Várilly   +45 more
core   +1 more source

Where Mathematical Symbols Come From

Topics in Cognitive Science, Volume 18, Issue 1, Page 169-186, January 2026.
Abstract There is a sense in which the symbols used in mathematical expressions and formulas are arbitrary. After all, arithmetic would be no different if we would replace the symbols ‘+$+$’ or ‘8’ by different symbols. Nevertheless, the shape of many mathematical symbols is in fact well motivated in practice.
Dirk Schlimm
wiley   +1 more source

Lorentz signature and twisted spectral triples

Journal of High Energy Physics, 2018
We show how twisting the spectral triple of the Standard Model of elementary particles naturally yields the Krein space associated with the Lorentzian signature of spacetime. We discuss the associated spectral action, both for fermions and bosons.
A. Devastato, S. Farnsworth, F. Lizzi, P. Martinetti   +3 more
doaj   +1 more source

Scissors congruence K$K$‐theory for equivariant manifolds

Bulletin of the London Mathematical Society, Volume 58, Issue 1, January 2026.
Abstract We introduce a scissors congruence K$K$‐theory spectrum that lifts the equivariant scissors congruence groups for compact G$G$‐manifolds with boundary, and we show that on π0$\pi _0$, this is the source of a spectrum‐level lift of the Burnside ring‐valued equivariant Euler characteristic of a compact G$G$‐manifold.
Mona Merling, Ming Ng, Julia Semikina, Alba Sendón Blanco, Lucas Williams   +4 more
wiley   +1 more source