Peer review is the driving force of journal development, and reviewers are gatekeepers who ensure that Physics maintains its standards for the high quality of its published papers. Thanks to the cooperation of our reviewers, in 2020, the median time to first decision was 21.4 days and the median time to publication was 47.5 days. The Editors would like to express their sincere gratitude to the following reviewers for their precious time and dedication, regardless of whether the papers were finally published:
| Abreu, Everton M.C. | Li, Ying |
| Achim, Cristina | Lin, Chunshan |
| Adams, Fred | Liu, Fu-Hu |
| Addazi, Andrea | Liu, Yan |
| Andriyash, Igor | Lowe, Matthias |
| Anochi, Juliana | Macri, Vincenzo |
| Avelino, Pedro | Maddah, Hisham A. |
| Babic, Slobodan | Magniette, Frédéric |
| Balevicius, Saulius | Mainland, G. Bruce |
| Bamba, Kazuharu | Mankoc, Norma |
| Ban, Yue | Mattingly, David |
| Barnaföldi, Gergely Gábor | Melgoza-Vázquez, Enrique |
| Berger, Kévin | Metzler, Ralf |
| Bernard, Denis | Meyer, Bradley S. |
| Bezerra Coutinho, Francisco Antonio | Mikellides, Ioannis (Yiangos) |
| Bialynicki-Birula, Iwo | Milton, Kimball |
| Birnholtz, Ofek | Morel, Mathieu |
| Bodrova, Anna | Muggli, Patric |
| Bondar, Denys I. | Müller-Hannemann, Matthias |
| Bondarenko, Sergey | Mulligan, Bernard |
| Borghi, Riccardo | Nemes, Norbert M. |
| Brevik, Iver H. | Odintsov, Sergei |
| Brust-Mascher, Ingrid | Oettingen, Mikolaj |
| Buhmann, Stefan | Oikonomou, Vasilis |
| Bulanov, Sergei | Okorokov, Vitalii A. |
| Campos, Néstor | Oleg, Berman |
| Cardoso, José Roberto | Olmo, Gonzalo |
| Cataliotti, Francesco Saverio | Parvan, Alexandru |
| Chakrabarti, Bikas K. | Pena-Benitez, Francisco |
| Chechkin, Aleksei | Perez-Jorda, Jose Maria |
| Chen, Gang | Petrushina, Irina |
| Chernodub, Maxim | Pham, Hoang |
| Cieśliński, Jan L. | Pisano, Silvia |
| Cleymans, Jean | Popov, Sergey V. |
| Condurache, Daniel | Pruneau, Claude |
| Costa, Natanael C. | Pukhov, Alexander |
| Curbis, Francesca | Qi, Chong |
| Diaw, Abdourahmane | Qin, Mohan |
| Diddens, Christian | Ramirez, Cupatitzio |
| Diehl, Roland | Reece, Matt |
| Douine, Bruno | Rubio Lopez, Adrian |
| Dunsby, Peter | Saccomandi, Giuseppe |
| Efremov, Alexander N. | Sakharov, Alexander |
| Enik, Temur | Salzburger, Andreas |
| Essén, Hanno | Schlegel, Nicole-Jeanne |
| Fan, Shu-Kai S. | Sekhniaidze, Givi |
| Friedman, Yaakov | Shimamoto, Yuta |
| Galanin, Mikhail P. | Sidhureddy, Boopathi |
| Gan, Yixiang | Silva, Hector O. |
| Gazda, Piotr | Stefani, Giovanni L. |
| Ghorbani-Asl, Mahdi | Sujith, R.I. |
| Giuliani, Samuel A. | Sukhorukov, Eugene |
| Gomes Dos Santos, Jonas Floriano | Sunko, Denis |
| Goodsell, Mark | Svetovoy, Vitaly B. |
| Hallock, Robert | Svistunov, Boris |
| Herrera Corral, Gerardo A. | Syrgannis, Zois |
| Horoshko, Dmitri | Tamm, M.V. |
| Huber, Roland G. | Teixeira Alves, Danilo |
| Impens, Francois | Tokarev, Mikhail Vladimirovich |
| Johnston, Steven | Tribelsky, Michael |
| Kajantie, Keijo | Vagnozzi, Sunny |
| Kar, Deepak | Vasconcelos, Giovani L. |
| Kavan, Ladislav | Verma, Mahendra K. |
| Khabarova, Ksenia | Versteegh, Marijn |
| Kirillov, Oleg N. | Wang, Chang |
| Kiselev, Aleksei P. | Wilk, Grzegorz |
| Koivisto, Tomi Sebastian | Williams, Gustavious Paul |
| Kokoulina, Elena | Williams, Stuart J. |
| Krawec, Walter O. | Wong, Cheuk-Yin |
| Kuklov, Anatoly | Xu, Peng |
| Kulchitsky, Yuri | Youssef Moussa, Miled Hassan |
| Lamata, Lucas | Zhang, Da-Jian |
| Lambiase, Gaetano | Zhang, HaoPeng |
| Lämmerzahl, Claus | Zhigljavsky, Anatoly |
| Li, Li | Ziolkowski, Marcin |
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