Squeezing the quantum noise of a gravitational-wave detector below the standard quantum limit

Autor: Jia, Wenxuan, Xu, Victoria, Kuns, Kevin, Nakano, Masayuki, Barsotti, Lisa, Evans, Matthew, Mavalvala, Nergis, Abbott, Rich, Abouelfettouh, Ibrahim, Adhikari, Rana, Ananyeva, Alena, Appert, Stephen, Arai, Koji, Aritomi, Naoki, Aston, Stuart, Ball, Matthew, Ballmer, Stefan, Barker, David, Berger, Beverly, Betzwieser, Joseph, Bhattacharjee, Dripta, Billingsley, Garilynn, Bode, Nina, Bonilla, Edgard, Bossilkov, Vladimir, Branch, Adam, Brooks, Aidan, Brown, Daniel, Bryant, John, Cahillane, Craig, Cao, Huy-tuong, Capote, Elenna, Chen, Yanbei, Clara, Filiberto, Collins, Josh, Compton, Camilla, Cottingham, Robert, Coyne, Dennis, Crouch, Ryan, Csizmazia, Janos, Cullen, Torrey, Dartez, Louis, Demos, Nicholas, Dohmen, Ezekiel, Driggers, Jenne, Dwyer, Sheila, Effler, Anamaria, Ejlli, Aldo, Etzel, Todd, Feicht, Jon, Frey, Raymond, Frischhertz, William, Fritschel, Peter, Frolov, Valery, Fulda, Paul, Fyffe, Michael, Ganapathy, Dhruva, Gateley, Bubba, Giaime, Joe, Giardina, Dwayne, Glanzer, Jane, Goetz, Evan, Jones, Aaron, Gras, Slawomir, Gray, Corey, Griffith, Don, Grote, Hartmut, Guidry, Tyler, Hall, Evan, Hanks, Jonathan, Hanson, Joe, Heintze, Matthew, Helmling-cornell, Adrian, Huang, Hsiang-yu, Inoue, Yuki, James, Alasdair, Jennings, Austin, Karat, Srinath, Kasprzack, Marie, Kawabe, Keita, Kijbunchoo, Nutsinee, Kissel, Jeffrey, Kontos, Antonios, Kumar, Rahul, Landry, Michael, Lantz, Brian, Laxen, Michael, Lee, Kyung-ha, Lesovsky, Madeline, Llamas, Francisco, Lormand, Marc, Loughlin, Hudsonalexander, Macas, Ronaldas, Macinnis, Myron, Makarem, Camille, Mannix, Benjaminrobert, Mansell, Georgia, Martin, Rodica, Maxwell, Nyath, Mccarrol, Garrett, Mccarthy, Richard, Mcclelland, David, Mccormick, Scott, Mcculler, Lee, Mcrae, Terry, Mera, Fernando, Merilh, Edmond, Meylahn, Fabian, Mittleman, Richard, Moraru, Dan, Moreno, Gerardo, Mould, Matthew, Mullavey, Adam, Nelson, Timothy, Neunzert, Ansel, Oberling, Jason, Ohanlon, Timothy, Osthelder, Charles, Ottaway, David, Overmier, Harry, Parker, William, Pele, Arnaud, Pham, Huyen, Pirello, Marc, Quetschke, Volker, Ramirez, Karla, Reyes, Jonathan, Richardson, Jonathan, Robinson, Mitchell, Rollins, Jameson, Romie, Janeen, Ross, Michael, Sadecki, Travis, Sanchez, Anthony, Sanchez, Eduardo, Sanchez, Luis, Savage, Richard, Schaetzl, Dean, Schiworski, Mitchell, Schnabel, Roman, Schofield, Robert, Schwartz, Eyal, Sellers, Danny, Shaffer, Thomas, Short, Ryan, Sigg, Daniel, Slagmolen, Bram, Soni, Siddharth, Sun, Ling, Tanner, David, Thomas, Michael, Thomas, Patrick, Thorne, Keith, Torrie, Calum, Traylor, Gary, Vajente, Gabriele, Vanosky, Jordan, Vecchio, Alberto, Veitch, Peter, Vibhute, Ajay, Vonreis, Erik, Warner, Jim, Weaver, Betsy, Weiss, Rainer, Whittle, Chris, Willke, Benno, Wipf, Christopher, Yamamoto, Hiro, Yu, Haocun, Zhang, Liyuan, Zucker, Michael

Publikováno v: Science 385, 1318 (2024)

Precision measurements of space and time, like those made by the detectors of the Laser Interferometer Gravitational-wave Observatory (LIGO), are often confronted with fundamental limitations imposed by quantum mechanics. The Heisenberg uncertainty p

Externí odkaz: http://arxiv.org/abs/2404.14569

Next Generation Observatories -- Report from the Dawn VI Workshop; October 5-7 2021

Autor: Shoemaker, D. H., Ballmer, Stefan, Barsuglia, Matteo, Berger, E., Berti, Emanuele, Brown, Duncan A., Chandra, Poonam, Evans, Matthew, Fang, Ke, Fong, Wen-fai, Freise, Andreas, Fritschel, Peter, Greene, Jenny, Horowitz, C. J., Kissel, Jeff, Lantz, Brian, Lasky, Paul D., Lueck, Harald, Miller, M. Coleman, Nitz, Alexander H., Ottaway, David, Peiris, Hiranya V., Punturo, Michele, Reitze, D. H., Sanders, Gary H., Sathyaprakash, B. S., Sigg, Daniel, Slagmolen, Bram, Smartt, S. J., Smith, Joshua R., Steiner, Andrew W., Troja, Eleonora, Villar, V. Ashley, Weiss, Rainer, Wolff, Sidney C., Yeck, Jim

The workshop Dawn VI: Next Generation Observatories took place online over three days, 5-7 October, 2021. More than 200 physicists and astronomers attended to contribute to, and learn from, a discussion of next-generation ground-based gravitational-w

Externí odkaz: http://arxiv.org/abs/2112.12718

Erwärmung des Reaktordruckbehälters des Blocks 8 des KKW Greifswald bei der Zerlegung mittels Sägetechnik

Autor: Mössner, Thomas, Altstadt, Eberhard, Böhmert, Jürgen, Weiß, Rainer

Publikováno v: Wissenschaftlich-Technische Berichte / Forschungszentrum Rossendorf, FZR-310 Januar 2001

Die Arbeit untersucht das Erwärmungsverhalten des Reaktordruckbehälters des Blockes 8 des KKW Greifswald bei der Zerlegung in Ringabschnitte mit einer Bandsäge. Mit dem Programm ANSYS wurde dazu ein thermisches Finite-Elemente-Modell erstellt. Die

Externí odkaz: https://hzdr.qucosa.de/id/qucosa%3A21806
https://hzdr.qucosa.de/api/qucosa%3A21806/attachment/ATT-0/

Point absorbers in Advanced LIGO

Autor: Brooks, Aidan F., Vajente, Gabriele, Yamamoto, Hiro, Abbott, Rich, Adams, Carl, Adhikari, Rana X., Ananyeva, Alena, Appert, Stephen, Arai, Koji, Areeda, Joseph S., Asali, Yasmeen, Aston, Stuart M., Austin, Corey, Baer, Anne M., Ball, Matthew, Ballmer, Stefan W., Banagiri, Sharan, Barker, David, Barsotti, Lisa, Bartlett, Jeffrey, Berger, Beverly K., Betzwieser, Joseph, Bhattacharjee, Dripta, Billingsley, Garilynn, Biscans, Sebastien, Blair, Carl D., Blair, Ryan M., Bode, Nina, Booker, Phillip, Bork, Rolf, Bramley, Alyssa, Brown, Daniel D., Buikema, Aaron, Cahillane, Craig, Cannon, Kipp C., Cao, Huy Tuong, Chen, Xu, Ciobanu, Alexei A., Clara, Filiberto, Compton, Camilla, Cooper, Sam J., Corley, Kenneth R., Countryman, Stefan T., Covas, Pep B., Coyne, Dennis C., Datrier, Laurence E., Davis, Derek, Difronzo, Chiara D., Dooley, Katherine L., Driggers, Jenne C., Dupej, Peter, Dwyer, Sheila E., Effler, Anamaria, Etzel, Todd, Evans, Matthew, Evans, Tom M., Feicht, Jon, Fernandez-Galiana, Alvaro, Fritschel, Peter, Frolov, Valery V., Fulda, Paul, Fyffe, Michael, Giaime, Joe A., Giardina, Dwayne D., Godwin, Patrick, Goetz, Evan, Gras, Slawomir, Gray, Corey, Gray, Rachel, Green, Anna C., Gupta, Anchal, Gustafson, Eric K., Gustafson, Dick, Hall, Evan, Hanks, Jonathan, Hanson, Joe, Hardwick, Terra, Hasskew, Raine K., Heintze, Matthew C., Helmling-Cornell, Adrian F., Holland, Nathan A., Jones, Jeff D., Kandhasamy, Shivaraj, Karki, Sudarshan, Kasprzack, Marie, Kawabe, Keita, Kijbunchoo, Nutsinee, King, Peter J., Kissel, Jeffrey S., Kumar, Rahul, Landry, Michael, Lane, Benjamin B., Lantz, Brian, Laxen, Michael, Lecoeuche, Yannick K., Leviton, Jessica, Jian, Liu, Lormand, Marc, Lundgren, Andrew P., Macas, Ronaldas, Macinnis, Myron, Macleod, Duncan M., Mansell, Georgia L., Marka, Szabolcs, Marka, Zsuzsanna, Martynov, Denis V., Mason, Ken, Massinger, Thomas J., Matichard, Fabrice, Mavalvala, Nergis, McCarthy, Richard, McClelland, David E., McCormick, Scott, McCuller, Lee, McIver, Jessica, McRae, Terry, Mendell, Gregory, Merfeld, Kara, Merilh, Edmond L., Meylahn, Fabian, Mistry, Timesh, Mittleman, Richard, Moreno, Gerardo, Mow-Lowry, Conor M., Mozzon, Simone, Mullavey, Adam, Nelson, Timothy J., Nguyen, Philippe, Nuttall, Laura K., Oberling, Jason, Oram, Richard J., Osthelder, Charles, Ottaway, David J., Overmier, Harry, Palamos, Jordan R., Parker, William, Payne, Ethan, Pele, Arnaud, Penhorwood, Reilly, Perez, Carlos J., Pirello, Marc, Radkins, Hugh, Ramirez, Karla E., Richardson, Jonathan W., Riles, Keith, Robertson, Norna A., Rollins, Jameson G., Romel, Chandra L., Romie, Janeen H., Ross, Michael P., Ryan, Kyle, Sadecki, Travis, Sanchez, Eduardo J., Sanchez, Luis E., Tiruppatturrajamanikkam, Saravanan R., Savage, Richard L., Schaetzl, Dean, Schnabel, Roman, Schofield, Robert M., Schwartz, Eyal, Sellers, Danny, Shaffer, Thomas, Sigg, Daniel, Slagmolen, Bram J., Smith, Joshua R., Soni, Siddharth, Sorazu, Borja, Spencer, Andrew P., Strain, Ken A., Sun, Ling, Szczepanczyk, Marek J., Thomas, Michael, Thomas, Patrick, Thorne, Keith A., Toland, Karl, Torrie, Calum I., Traylor, Gary, Tse, Maggie, Urban, Alexander L., Valdes, Guillermo, Vander-Hyde, Daniel C., Veitch, Peter J., Venkateswara, Krishna, Venugopalan, Gautam, Viets, Aaron D., Vo, Thomas, Vorvick, Cheryl, Wade, Madeline, Ward, Robert L., Warner, Jim, Weaver, Betsy, Weiss, Rainer, Whittle, Chris, Willke, Benno, Wipf, Christopher C., Xiao, Liting, Yu, Hang, Yu, Haocun, Zhang, Liyuan, Zucker, Michael E., Zweizig, John

Small, highly absorbing points are randomly present on the surfaces of the main interferometer optics in Advanced LIGO. The resulting nano-meter scale thermo-elastic deformations and substrate lenses from these micron-scale absorbers significantly re

Externí odkaz: http://arxiv.org/abs/2101.05828

Gravitational-wave physics with Cosmic Explorer: limits to low-frequency sensitivity

Autor: Hall, Evan D., Kuns, Kevin, Smith, Joshua R., Bai, Yuntao, Wipf, Christopher, Biscans, Sebastien, Adhikari, Rana X, Arai, Koji, Ballmer, Stefan, Barsotti, Lisa, Chen, Yanbei, Evans, Matthew, Fritschel, Peter, Harms, Jan, Kamai, Brittany, Rollins, Jameson Graef, Shoemaker, David, Slagmolen, Bram, Weiss, Rainer, Yamamoto, Hiro

Publikováno v: Phys. Rev. D 103, 122004 (2021)

Cosmic Explorer (CE) is a next-generation ground-based gravitational-wave observatory concept, envisioned to begin operation in the 2030s, and expected to be capable of observing binary neutron star and black hole mergers back to the time of the firs

Externí odkaz: http://arxiv.org/abs/2012.03608