Results 11 to 20 of about 72,793 (101)

Small-threshold behaviour of two-loop self-energy diagrams: two-particle thresholds [PDF]

, 1996
The behaviour of two-loop two-point diagrams at non-zero thresholds corresponding to two-particle cuts is analyzed. The masses involved in a cut and the external momentum are assumed to be small as compared to some of the other masses of the diagram.
Berends, F. A., Davydychev, A. I., Smirnov, V. A.   +2 more
core   +2 more sources

Real-time thermal Schwinger-Dyson equation for quark self-energy in Landau gauge

, 2005
By means of a formal expression of the Cornwall-Jackiw-Tomboulis effective potential for quark propagator at finite temperature and finite quark chemical potential, we derive the real-time thermal Schwinger-Dyson equation for quark propagator in Landau ...
Bang-Rong Zhou, Bang-Rong Zhou, Bang-Rong Zhou, Bang-Rong Zhou, P.I. Fomin, V.A. Miransky, Zhou Bang-Rong, Zhou Bang-Rong   +7 more
core   +1 more source

On Constant Gaps for the Two-way Gaussian Interference Channel [PDF]

, 2012
We introduce the two-way Gaussian interference channel in which there are four nodes with four independent messages: two-messages to be transmitted over a Gaussian interference channel in the $\rightarrow$ direction, simultaneously with two-messages to ...
Cheng, Zhiyu, Devroye, Natasha
core   +1 more source

A massive Feynman integral and some reduction relations for Appell functions

, 2007
New explicit expressions are derived for the one-loop two-point Feynman integral with arbitrary external momentum and masses $m_1^2$ and $m_2^2$ in D dimensions. The results are given in terms of Appell functions, manifestly symmetric with respect to the
Abramowitz M., Appell P., Bailey W. N., Diehl H. W., Erdélyi A., M. A. Shpot, Prudnikov A., Slater L. J., Srivastava H. M., Tarasov V. F.   +9 more
core   +1 more source

Frequency and stability of populations of CD4+ and CD4+CD25+Foxp3+CD127lo Treg in healthy adults defined by cytometry using monoclonal antibodies to T cell associated molecules

Cytometry Part B: Clinical Cytometry, EarlyView.
Abstract Monitoring subpopulations of CD4+ T cells in blood, especially regulatory CD4+CD25+Foxp3+CD127loT cells, has the potential to identify tolerance to transplants and defects that cause autoimmunity. CD45RA is expressed by naïve/resting CD4+, not by activated cells.
Nirupama D. Verma, Ranje Al‐atiyah, Prateek Rakesh, Andrew D. Lam, Christopher Chiu, Giang T. Tran, Bruce M. Hall, Suzanne J. Hodgkinson   +7 more
wiley   +1 more source

Integrins alpha v beta 3 and alpha v beta 5 contribute to cell attachment to vitronectin but differentially distribute on the cell surface. [PDF]

, 1991
We investigated the role of the integrins alpha v beta 3 and alpha v beta 5 in mediating vitronectin adhesion of three phenotypically distinct cell types.
Cheresh, DA, Orlando, RA, Wayner, EA
core  

Two-Loop Effective Potential of O(N)-Symmetric Scalar QED in 4-epsilon Dimensions

, 2001
The effective potential of scalar QED is computed analytically up to two loops in the Landau gauge. The result is given in 4-epsilon dimensions using minimal subtraction and epsilon-expansions.
Als-Nielsen, B. Van den Bossche, Bachman, Bartholomew, Bergerhoff, Brézin, Brézin, Brézin, Chen, Chung, Chung, Coleman, Dasgupta, Davydychev, Davydychev, de Calan, de Calan, De Witt, Folk, Folk, Ford, H. Kleinert, Halperin, Herbut, Jasch, Kang, Kastening, Kastening, Kastening, Kiometzis, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kleinert, Kolnberger, Lawrie, Mo, Muneshisa, Strösser, Wallace, Wallace   +47 more
core   +1 more source

Renormalizing the Schwinger-Dyson equations in the auxiliary field formulation of $\lambda \phi^4$ field theory [PDF]

, 2004
In this paper we study the renormalization of the Schwinger-Dyson equations that arise in the auxiliary field formulation of the O(N) $\phi^4$ field theory. The auxiliary field formulation allows a simple interpretation of the large-N expansion as a loop
Bogdan Mihaila, Claude Itzykson, D. J. Gross, E. Mottola, Fred Cooper, G. Aarts, H.  D. Dahmen, J. Schwinger, J. D. Bjorken, John F. Dawson, K. Hepp, K. Wilson, L. V. Keldysh, L. V. Keldysh, N. N. Bogoliubov, T. Kugo, W. Zimmermann   +16 more
core   +1 more source

The estrobolome: Estrogen‐metabolizing pathways of the gut microbiome and their relation to breast cancer

International Journal of Cancer, EarlyView.
Abstract Increasing evidence links the gut microbiome to carcinogenesis. Disruptions in estrogen regulation by the estrobolome—gut microbiota with estrogen‐related functions—may promote breast cancer. However, precise information on estrobolome targets and their underlying mechanisms is limited. This review identifies relevant targets for measuring the
Ashley H. Larnder, Amee R. Manges, Rachel A. Murphy   +2 more
wiley   +1 more source

Renormalisation of the Nonperturbative Thermal Pressure [PDF]

, 1998
We show how the fully resummed thermal pressure is rendered ultraviolet finite by standard zero-temperature renormalisation. The analysis is developed in a 6-dimensional scalar model that mimics QED and has $N$ flavours.
A. Rebhan, Akhiezer, Bjorken, Bohm, Brodsky, D. Bödeker, Drummond, Drummond, Eden, Freedman, Freedman, Freedman, Gell-Mann, Gribovsky, Gross, Itzykson, Källén, LeBellac, O. Nachtmann, P.V. Landshoff, Pisarski, Rebhan, Weinberg, Wetterich   +23 more
core   +2 more sources