Zobrazeno 1 - 10
of 12 613
pro vyhledávání: '"A, Raines"'
We have previously shown that the Stoner instability 2D has unconventional behavior: it is strongly first order but features a susceptibility which diverges at the transition point. Here, we analyze the Stoner transition for two-dimensional systems w
Externí odkaz:
http://arxiv.org/abs/2409.18934
Autor:
Rivera, Yeimy J., Badman, Samuel T., Stevens, Michael L., Raines, Jim M., Owen, Christopher J., Paulson, Kristoff, Niembro, Tatiana, Livi, Stefano A., Lepri, Susan T., Landi, Enrico, Halekas, Jasper S., Ervin, Tamar, Dewey, Ryan M., Coburn, Jesse T., Bale, Stuart D., Alterman, B. L.
Since Parker Solar Probe's (Parker's) first perihelion pass at the Sun, large amplitude Alfv\'en waves grouped in patches have been observed near the Sun throughout the mission. Several formation processes for these magnetic switchback patches have b
Externí odkaz:
http://arxiv.org/abs/2409.03645
Autor:
Rivera, Yeimy J., Badman, Samuel T., Stevens, Michael L., Verniero, Jaye L., Stawarz, Julia E., Shi, Chen, Raines, Jim M., Paulson, Kristoff W., Owen, Christopher J., Niembro, Tatiana, Louarn, Philippe, Livi, Stefano A., Lepri, Susan T., Kasper, Justin C., Horbury, Timothy S., Halekas, Jasper S., Dewey, Ryan M., De Marco, Rossana, Bale, Stuart D.
Publikováno v:
Science, 385, 962-966 (2024)
After leaving the Sun's corona, the solar wind continues to accelerate and cools, but more slowly than expected for a freely expanding adiabatic gas. We use in situ measurements from the Parker Solar Probe and Solar Orbiter spacecrafts to investigate
Externí odkaz:
http://arxiv.org/abs/2409.00267
We analyze the transition into the most favorable ordered state for a system of 2D fermions with spin and valley degrees of freedom. We show that for a range of rotationally invariant dispersions, the ordering transition is highly unconventional: the
Externí odkaz:
http://arxiv.org/abs/2406.04416
We show that two-dimensional fermions with dispersion $k^2$ or $k^4$ undergo a first-order Stoner transition to a fully spin-polarized state despite that the spin susceptibility diverges at the critical point. We extend our analysis to systems with d
Externí odkaz:
http://arxiv.org/abs/2406.04415
Autor:
Sun, Weijie, Dewey, Ryan M., Jia, Xianzhe, Raines, Jim M., Slavin, James A., Chen, Yuxi, Phan, Tai, Poh, Gangkai, Xu, Shaosui, Milillo, Anna, Lillis, Robert, Saito, Yoshifumi, Livi, Stefano, Orsini, Stefano
Publikováno v:
Geophysical Research Letters, 51, e2023GL107689 (2024)
This study investigates the escape of Mercury's sodium-group ions (Na+-group, including ions with m/q from 21 to 30 amu/e) and their dependence on true anomaly angle (TAA), i.e., Mercury's orbital phase around the Sun, using measurements from MESSENG
Externí odkaz:
http://arxiv.org/abs/2404.13264
We present a comparative analysis of the validity of Eliashberg theory for the cases of fermions interacting with an Einstein phonon and with soft nematic fluctuations near an Ising-nematic/Ising-ferromagnetic quantum-critical point (QCP). In both ca
Externí odkaz:
http://arxiv.org/abs/2404.11820
Autor:
Raines, Grady W.1 (AUTHOR) gwr45@cornell.edu, Polhill, Peter S.1 (AUTHOR) psp44@cornell.edu, Hiatt, Shon R.2 (AUTHOR) shiatt@marshall.usc.edu, Coles, Ryan S.3 (AUTHOR) ryan.coles@uconn.edu
Publikováno v:
Administrative Science Quarterly. Dec2024, Vol. 69 Issue 4, p1006-1043. 38p.
In this work we consider the superfluid stiffness of a generically non-Galilean invariant interacting system and investigate under what conditions the stiffness may nonetheless approach the Galilean-invariant value $n/m$. Within Eliashberg theory we
Externí odkaz:
http://arxiv.org/abs/2312.13392
Autor:
Lina Z. Hadid, Dominique Delcourt, Yuki Harada, Mathias Rojo, Sae Aizawa, Yoshifumi Saito, Nicolas André, Austin N. Glass, Jim M. Raines, Shoichiro Yokota, Markus Fränz, Bruno Katra, Christophe Verdeil, Björn Fiethe, Francois Leblanc, Ronan Modolo, Dominique Fontaine, Norbert Krupp, Harald Krüger, Frédéric Leblanc, Henning Fischer, Jean-Jacques Berthelier, Jean-André Sauvaud, Go Murakami, Shoya Matsuda
Publikováno v:
Communications Physics, Vol 7, Iss 1, Pp 1-7 (2024)
Abstract Understanding Mercury’s magnetosphere is crucial for advancing our comprehension of how the solar wind interacts with the planetary magnetospheres. Despite previous missions, several gaps remain in our knowledge of Mercury’s plasma envir
Externí odkaz:
https://doaj.org/article/a09aa15cc285492fa093e28710b3ebd3