Results 31 to 40 of about 1,415,557 (286)

Dark sector effective field theory

Journal of High Energy Physics, 2023
Abstract We introduce the effective field theory of two different light dark particles interacting with the standard model (SM) light states in a single vertex, termed dark sector effective field theory (DSEFT). We focus on the new light particles with spin up to 1 and being real in essence, namely, new real scalars ϕ and S ...
Liang, Jin-Han, Liao, Yi, Ma, Xiao-Dong, Wang, Hao-Lin   +3 more
openaire   +3 more sources

Homological classification of topological terms in sigma models on homogeneous spaces

Journal of High Energy Physics, 2018
We classify the topological terms (in a sense to be made precise) that may appear in a non-linear sigma model based on maps from an arbitrary worldvolume manifold to a homogeneous space G/H (where G is an arbitrary Lie group and H ⊂ G).
Joe Davighi, Ben Gripaios
doaj   +1 more source

Effective Field Theories on Non-Commutative Space-Time [PDF]

, 2003
We consider Yang-Mills theories formulated on a non-commutative space-time described by a space-time dependent anti-symmetric field $\theta^{\mu\nu}(x)$.
A. Anisimov, A. Bichl, A. Hashimoto, A.S. Cattaneo, B. Jurco, B. Jurco, B. Jurco, C.E. Carlson, C.E. Carlson, C.N. Yang, C.P. Martin, G. Dito, H. Kase, H. Weyl, H.S. Snyder, I. Hinchliffe, I. Mocioiu, J. Lukierski, J. Madore, J.E. Moyal, J.L. Hewett, K. Morita, L. Cornalba, L. Dolan, L.J. Garay, M. Hayakawa, M.R. Douglas, Michael Wohlgenannt, N. Seiberg, S. Majid, S.M. Carroll, V. Schomerus, X. Calmet, Xavier Calmet, Z. Chang   +34 more
core   +4 more sources

Ghostbusters: unitarity and causality of non-equilibrium effective field theories

Journal of High Energy Physics, 2020
: For a non-equilibrium physical system defined along a closed time path (CTP), a key constraint is the so-called largest time equation, which is a consequence of unitarity and implies causality.
Ping Gao, Paolo Glorioso, Hong Liu
doaj   +1 more source

Amplitude/operator basis in chiral perturbation theory

Journal of High Energy Physics, 2023
We establish a systematic construction of the on-shell amplitude/operator basis for Chiral Perturbation Theory (ChPT) in D = 4 spacetime dimensions and with an arbitrary number of flavors N f .
Ian Low, Jing Shu, Ming-Lei Xiao, Yu-Hui Zheng   +3 more
doaj   +1 more source

Effective field theory [PDF]

, 2008
I give a brief review of effective field theory, disscussing the contribution of Feza G rsey in particular and focusing on the literature I am most familiar with.
openaire   +2 more sources

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Effective Field Theories of Light Nuclei

, 2004
Effective field theories have been developed for the description of light, shallow nuclei. I review results for two- and three-nucleon systems, and discuss their extension to halo nuclei.Comment: 10 pages, invited talk at the International Nuclear ...
Arndt, Battat, Beane, Beane, Bedaque, Bedaque, Bedaque, Bedaque, Bedaque, Bedaque, Bedaque, Bertulani, Chen, Dilg, Gabbiani, Gegelia, Głazek, Haesner, Hammer, Hammer, Kaplan, Kaplan, Kievsky, LeClair, LeClair, Meißner, Morozov, Philips, Platter, Platter, Stoks, Tilley, U. van Kolck, van Kolck, van Kolck, van Oers   +35 more
core   +1 more source

Sequence determinants of RNA G‐quadruplex unfolding by Arg‐rich regions

FEBS Letters, EarlyView.
We show that Arg‐rich peptides selectively unfold RNA G‐quadruplexes, but not RNA stem‐loops or DNA/RNA duplexes. This length‐dependent activity is inhibited by acidic residues and is conserved among SR and SR‐related proteins (SRSF1, SRSF3, SRSF9, U1‐70K, and U2AF1).
Naiduwadura Ivon Upekala De Silva, Puspa Kunwar, Md Ibnul Rifat Rahman, Joanna Koryo Kwao, Nathan Lehman, Zihan Zhang, Trenton Paul, Claire Cheng, Nicholas Truex, Hui‐Ting Lee, Jun Zhang   +10 more
wiley   +1 more source

Spin-charge separation for paired Dirac fermions in (1 + 1) dimensions

Journal of High Energy Physics
We study Dirac fermions at finite density coupled to a complex pairing field assumed to obey scalar field theory with quartic self-repulsion. The bulk of our work develops the mathematics that elucidates the propagation of fermionic excitations in such ...
Laith H. Haddad
doaj   +1 more source