Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Buschmann, Malte"'
Autor:
Buschmann, Malte
Understanding the non-linear dynamics of coupled scalar fields often necessitates simulations on a three-dimensional mesh. These simulations can be computationally expensive if a large scale separation is involved. A common solution is adaptive mesh
Externí odkaz:
http://arxiv.org/abs/2404.02950
The quantum chromodynamics (QCD) axion may solve the strong CP problem and explain the dark matter (DM) abundance of our Universe. The axion was originally proposed to arise as the pseudo-Nambu Goldstone boson of global $\mathrm{U}(1)_{\rm PQ}$ Pecce
Externí odkaz:
http://arxiv.org/abs/2312.08425
Axion strings are horizon-size topological defects that may be produced in the early Universe. Ultra-light axion-like particles may form strings that persist to temperatures below that of big bang nucleosynthesis. Such strings have been considered pr
Externí odkaz:
http://arxiv.org/abs/2308.01334
Autor:
Green, Daniel, Ruderman, Joshua T., Safdi, Benjamin R., Shelton, Jessie, Achúcarro, Ana, Adshead, Peter, Akrami, Yashar, Baryakhtar, Masha, Baumann, Daniel, Berlin, Asher, Blinov, Nikita, Boddy, Kimberly K., Buschmann, Malte, Cabass, Giovanni, Caldwell, Robert, Castorina, Emanuele, Chen, Thomas Y., Chen, Xingang, Coulton, William, Croon, Djuna, Cui, Yanou, Curtin, David, Cyr-Racine, Francis-Yan, Dessert, Christopher, Dienes, Keith R., Draper, Patrick, Du, Peizhi, Ellis, Sebastian A. R., Essig, Rouven, Flauger, Raphael, Fong, Chee Sheng, Foster, Joshua W., Fumagalli, Jacopo, Harigaya, Keisuke, Horiuchi, Shunsaku, Ivanov, Mikhail M., Kahn, Yonatan, Knapen, Simon, Leane, Rebecca K., Lee, Hayden, Lentz, Erik W., Lewandowski, Matthew, Lisanti, Mariangela, Long, Andrew J., Loverde, Marilena, Maleknejad, Azadeh, McAllister, Liam, McDermott, Samuel D., McGehee, Robert, Meerburg, P. Daniel, Meyers, Joel, Dizgah, Azadeh Moradinezhad, Münchmeyer, Moritz, Outmezguine, Nadav Joseph, Pajer, Enrico, Palma, Gonzalo A., Parikh, Aditya, Park, Jong-Chul, Peter, Annika H. G., Pimentel, Guilherme L., Renaux-Petel, Sébastien, Rodd, Nicholas L., Shakya, Bibhushan, Shiu, Gary, Silverstein, Eva, Simonovic, Marko, Singh, Rajeev, Sleight, Charlotte, Takhistov, Volodymyr, Tanedo, Philip, Taronna, Massimo, Thomas, Brooks, Toro, Natalia, Tsai, Yu-Dai, Vitagliano, Edoardo, Vogelsberger, Mark, Wallisch, Benjamin, Wandelt, Benjamin D., Wechsler, Risa H., Weniger, Christoph, Wu, W. L. Kimmy, Xu, Weishuang Linda, Yamada, Masaki, Yu, Hai-Bo, Zhang, Zhengkang, Zhong, Yi-Ming, Zurek, Kathryn
We summarize progress made in theoretical astrophysics and cosmology over the past decade and areas of interest for the coming decade. This Report is prepared as the TF09 "Astrophysics and Cosmology" topical group summary for the Theory Frontier as p
Externí odkaz:
http://arxiv.org/abs/2209.06854
Autor:
Baryakhtar, Masha, Caputo, Regina, Croon, Djuna, Perez, Kerstin, Berti, Emanuele, Bramante, Joseph, Buschmann, Malte, Brito, Richard, Chen, Thomas Y., Cole, Philippa S., Coogan, Adam, East, William E., Foster, Joshua W., Galanis, Marios, Giannotti, Maurizio, Kavanagh, Bradley J., Laha, Ranjan, Leane, Rebecca K., Lehmann, Benjamin V., Marques-Tavares, Gustavo, McDonald, Jamie, Ng, Ken K. Y., Raj, Nirmal, Sagunski, Laura, Sakstein, Jeremy, Sathyaprakash, B. S., Shandera, Sarah, Siemonsen, Nils, Simon, Olivier, Sinha, Kuver, Singh, Divya, Singh, Rajeev, Sun, Chen, Sun, Ling, Takhistov, Volodymyr, Tsai, Yu-Dai, Vitagliano, Edoardo, Vitale, Salvatore, Yang, Huan, Zhang, Jun
Exploring dark matter via observations of extreme astrophysical environments -- defined here as heavy compact objects such as white dwarfs, neutron stars, and black holes, as well as supernovae and compact object merger events -- has been a major fie
Externí odkaz:
http://arxiv.org/abs/2203.07984
Autor:
Bechtol, Keith, Birrer, Simon, Cyr-Racine, Francis-Yan, Schutz, Katelin, Adhikari, Susmita, Amin, Mustafa, Banerjee, Arka, Bird, Simeon, Blinov, Nikita, Boddy, Kimberly K., Boehm, Celine, Bundy, Kevin, Buschmann, Malte, Chakrabarti, Sukanya, Curtin, David, Dai, Liang, Drlica-Wagner, Alex, Dvorkin, Cora, Erickcek, Adrienne L., Gilman, Daniel, Heeba, Saniya, Kim, Stacy, Iršič, Vid, Leauthaud, Alexie, Lovell, Mark, Lukić, Zarija, Mao, Yao-Yuan, Mau, Sidney, Mitridate, Andrea, Mocz, Philip, Muñoz, Julian B., Nadler, Ethan O., Peter, Annika H. G., Price-Whelan, Adrian, Robertson, Andrew, Sabti, Nashwan, Sehgal, Neelima, Shipp, Nora, Simon, Joshua D., Singh, Rajeev, Van Tilburg, Ken, Wechsler, Risa H., Widmark, Axel, Yu, Hai-Bo
The non-linear process of cosmic structure formation produces gravitationally bound overdensities of dark matter known as halos. The abundances, density profiles, ellipticities, and spins of these halos can be tied to the underlying fundamental parti
Externí odkaz:
http://arxiv.org/abs/2203.07354
Autor:
Boddy, Kimberly K., Lisanti, Mariangela, McDermott, Samuel D., Rodd, Nicholas L., Weniger, Christoph, Ali-Haïmoud, Yacine, Buschmann, Malte, Cholis, Ilias, Croon, Djuna, Erickcek, Adrienne L., Gluscevic, Vera, Leane, Rebecca K., Mishra-Sharma, Siddharth, Muñoz, Julian B., Nadler, Ethan O., Natarajan, Priyamvada, Price-Whelan, Adrian, Vegetti, Simona, Witte, Samuel J.
While astrophysical and cosmological probes provide a remarkably precise and consistent picture of the quantity and general properties of dark matter, its fundamental nature remains one of the most significant open questions in physics. Obtaining a m
Externí odkaz:
http://arxiv.org/abs/2203.06380
Autor:
Buschmann, Malte, Dessert, Christopher, Foster, Joshua W., Long, Andrew J., Safdi, Benjamin R.
The quantum chromodynamics (QCD) axion may modify the cooling rates of neutron stars (NSs). The axions are produced within the NS cores from nucleon bremsstrahlung and, when the nucleons are in superfluid states, Cooper pair breaking and formation pr
Externí odkaz:
http://arxiv.org/abs/2111.09892
Autor:
Buschmann, Malte, Foster, Joshua W., Hook, Anson, Peterson, Adam, Willcox, Don E., Zhang, Weiqun, Safdi, Benjamin R.
Axions are hypothetical particles that may explain the observed dark matter (DM) density and the non-observation of a neutron electric dipole moment. An increasing number of axion laboratory searches are underway worldwide, but these efforts are made
Externí odkaz:
http://arxiv.org/abs/2108.05368
We present an approach to measure the Milky Way (MW) potential using the angular accelerations of stars in aggregate as measured by astrometric surveys like Gaia. Accelerations directly probe the gradient of the MW potential, as opposed to indirect m
Externí odkaz:
http://arxiv.org/abs/2103.05000