Ding, H. et al. Spectroscopic evidence for a pseudogap in the normal state of underdoped high-Tc superconductors. Nature 382, 51–54 (1996).
Loeser, A. G. et al. Excitation gap in the normal state of underdoped Bi2Sr2CaCu2O8+δ. Science 273, 325–329 (1996).
Chen, Q., Stajic, J., Tan, S. & Levin, K. BCS–BEC crossover: from high temperature superconductors to ultracold superfluids. Phys. Rep. 412, 1–88 (2005).
Giorgini, S., Pitaevskii, L. P. & Stringari, S. Theory of ultracold atomic Fermi gases. Rev. Mod. Phys. 80, 1215–1274 (2008).
Chin, C., Grimm, R., Julienne, P. & Tiesinga, E. Feshbach resonances in ultracold gases. Rev. Mod. Phys. 82, 1225–1286 (2010).
Zaanen, J. Why the temperature is high. Nature 430, 512–513 (2004).
Micnas, R., Ranninger, J. & Robaszkiewicz, S. Superconductivity in narrow-band systems with local nonretarded attractive interactions. Rev. Mod. Phys. 62, 113–171 (1990).
Trivedi, N. & Randeria, M. Deviations from Fermi-liquid behavior above Tc in 2D short coherence length superconductors. Phys. Rev. Lett. 75, 312 (1995).
Chakravarty, S., Laughlin, R. B., Morr, D. K. & Nayak, C. Hidden order in the cuprates. Phys. Rev. B 63, 094503 (2001).
Fradkin, E., Kivelson, S. A. & Tranquada, J. M. Colloquium: theory of intertwined orders in high temperature superconductors. Rev. Mod. Phys. 87, 457–482 (2015).
Kivelson, S. A. et al. How to detect fluctuating stripes in the high-temperature superconductors. Rev. Mod. Phys. 75, 1201–1241 (2003).
Keimer, B., Kivelson, S. A., Norman, M. R., Uchida, S. & Zaanen, J. From quantum matter to high-temperature superconductivity in copper oxides. Nature 518, 179–186 (2015).
Damascelli, A., Hussain, Z. & Shen, Z.-X. Angle-resolved photoemission studies of the cuprate superconductors. Rev. Mod. Phys. 75, 473–541 (2003).
Bloch, I., Dalibard, J. & Nascimbene, S. Quantum simulations with ultracold quantum gases. Nat. Phys. 8, 267–276 (2012).
Stajic, J. et al. Nature of superfluidity in ultracold Fermi gases near Feshbach resonances. Phys. Rev. A 69, 063610 (2004).
Zwerger, W. (ed.) The BCS–BEC Crossover and the Unitary Fermi Gas (Springer, 2012).
Randeria, M. & Taylor, E. Crossover from Bardeen–Cooper–Schrieffer to Bose–Einstein condensation and the unitary Fermi gas. Annu. Rev. Condens. Matter Phys. 5, 209–232 (2014).
Chin, C. et al. Observation of the pairing gap in a strongly interacting Fermi gas. Science 305, 1128–1130 (2004).
Schunck, C. H., Shin, Y., Schirotzek, A. & Ketterle, W. Determination of the fermion pair size in a resonantly interacting superfluid. Nature 454, 739–743 (2008).
Murthy, P. A. et al. High-temperature pairing in a strongly interacting two-dimensional Fermi gas. Science 359, 452–455 (2018).
Stewart, J. T., Gaebler, J. P. & Jin, D. S. Using photoemission spectroscopy to probe a strongly interacting Fermi gas. Nature 454, 744–747 (2008).
Gaebler, J. P. et al. Observation of pseudogap behaviour in a strongly interacting Fermi gas. Nat. Phys. 6, 569–573 (2010).
Feld, M., Fröhlich, B., Vogt, E., Koschorreck, M. & Köhl, M. Observation of a pairing pseudogap in a two-dimensional Fermi gas. Nature 480, 75–78 (2011).
Mueller, E. J. Review of pseudogaps in strongly interacting Fermi gases. Rep. Prog. Phys. 80, 104401 (2017).
Schneider, W. & Randeria, M. Universal short-distance structure of the single-particle spectral function of dilute Fermi gases. Phys. Rev. A 81, 021601 (2010).
Nascimbène, S. et al. Fermi-liquid behavior of the normal phase of a strongly interacting gas of cold atoms. Phys. Rev. Lett. 106, 215303 (2011).
Gaunt, A. L., Schmidutz, T. F., Gotlibovych, I., Smith, R. P. & Hadzibabic, Z. Bose–Einstein condensation of atoms in a uniform potential. Phys. Rev. Lett. 110, 200406 (2013).
Mukherjee, B. et al. Homogeneous atomic Fermi gases. Phys. Rev. Lett. 118, 123401 (2017).
Baird, L., Wang, X., Roof, S. & Thomas, J. E. Measuring the hydrodynamic linear response of a unitary Fermi gas. Phys. Rev. Lett. 123, 160402 (2019).
Li, X. et al. Second sound attenuation near quantum criticality. Science 375, 528–533 (2022).
Baym, G., Pethick, C. J., Yu, Z. & Zwierlein, M. W. Coherence and clock shifts in ultracold Fermi gases with resonant interactions. Phys. Rev. Lett. 99, 190407 (2007).
Mukherjee, B. et al. Spectral response and contact of the unitary Fermi gas. Phys. Rev. Lett. 122, 203402 (2019).
Robaszkiewicz, S., Micnas, R. & Chao, K. A. Thermodynamic properties of the extended Hubbard model with strong intra-atomic attraction and an arbitrary electron density. Phys. Rev. B 23, 1447 (1981).
Nozières, P. & Schmitt-Rink, S. Bose condensation in an attractive fermion gas: from weak to strong coupling superconductivity. J. Low Temp. Phys. 59, 195–211 (1985).
Sá de Melo, C. A. R., Randeria, M. & Engelbrecht, J. R. Crossover from BCS to Bose superconductivity: transition temperature and time-dependent Ginzburg–Landau theory. Phys. Rev. Lett. 71, 3202–3205 (1993).
Zürn, G. et al. Precise characterization of 6Li Feshbach resonances using trap-sideband-resolved RF spectroscopy of weakly bound molecules. Phys. Rev. Lett. 110, 135301 (2013).
Chen, Q., He, Y., Chien, C.-C. & Levin, K. Theory of radio frequency spectroscopy experiments in ultracold Fermi gases and their relation to photoemission in the cuprates. Rep. Prog. Phys. 72, 122501 (2009).
Ku, M. J. H., Sommer, A. T., Cheuk, L. W. & Zwierlein, M. W. Revealing the superfluid lambda transition in the universal thermodynamics of a unitary Fermi gas. Science 335, 563–567 (2012).
Haussmann, R., Punk, M. & Zwerger, W. Spectral functions and rf response of ultracold fermionic atoms. Phys. Rev. A 80, 063612 (2009).
Carcy, C. et al. Contact and sum rules in a near-uniform Fermi gas at unitarity. Phys. Rev. Lett. 122, 203401 (2019).
Chen, Q. & Levin, K. Momentum resolved radio frequency spectroscopy in trapped Fermi gases. Phys. Rev. Lett. 102, 190402 (2009).
Biss, H. et al. Excitation spectrum and superfluid gap of an ultracold Fermi gas. Phys. Rev. Lett. 128, 100401 (2022).
Magierski, P., Wlazłowski, G., Bulgac, A. & Drut, J. E. Finite-temperature pairing gap of a unitary Fermi gas by quantum Monte Carlo calculations. Phys. Rev. Lett. 103, 210403 (2009).
Norman, M. R., Randeria, M., Ding, H. & Campuzano, J. C. Phenomenology of the low-energy spectral function in high-Tc superconductors. Phys. Rev. B 57, R11093 (1998).
Haussmann, R., Rantner, W., Cerrito, S. & Zwerger, W. Thermodynamics of the BCS–BEC crossover. Phys. Rev. A 75, 023610 (2007).
Kondo, T. et al. Point nodes persisting far beyond Tc in Bi2212. Nat. Commun. 6, 7699 (2015).
Esslinger, T. Fermi–Hubbard physics with atoms in an optical lattice. Annu. Rev. Condens. Matter Phys. 1, 129–152 (2010).
Hart, R. A. et al. Observation of antiferromagnetic correlations in the Hubbard model with ultracold atoms. Nature 519, 211–214 (2015).
Mazurenko, A. et al. A cold-atom Fermi–Hubbard antiferromagnet. Nature 545, 462–466 (2017).
Kinnunen, J. J., Baarsma, J. E., Martikainen, J.-P. & Törmä, P. The Fulde–Ferrell–Larkin–Ovchinnikov state for ultracold fermions in lattice and harmonic potentials: a review. Rep. Prog. Phys. 81, 046401 (2018).
Yao, X.-C. et al. Observation of coupled vortex lattices in a mass-imbalance Bose and Fermi superfluid mixture. Phys. Rev. Lett. 117, 145301 (2016).
Pasienski, M. & DeMarco, B. A high-accuracy algorithm for designing arbitrary holographic atom traps. Opt. Express 16, 2176–2190 (2008).
Murthy, P. A. et al. Matter-wave Fourier optics with a strongly interacting two-dimensional Fermi gas. Phys. Rev. A 90, 043611 (2014).
Ries, M. G. et al. Observation of pair condensation in the quasi-2D BEC–BCS crossover. Phys. Rev. Lett. 114, 230401 (2015).
Ketterle, W. & Zwierlein, M. W. Making, probing and understanding ultracold Fermi gases. Riv. Nuovo Cim. 31, 247–422 (2008).
Duan, Z.-X., Wu, W.-T., Lin, Y.-T. & Yang, S.-J. Simple and active magnetic-field stabilization for cold atom experiments. Rev. Sci. Instrum. 93, 123201 (2022).
Merkel, B. et al. Magnetic field stabilization system for atomic physics experiments. Rev. Sci. Instrum. 90, 044702 (2019).
Borkowski, M. et al. Active stabilization of kilogauss magnetic fields to the ppm level for magnetoassociation on ultranarrow Feshbach resonances. Rev. Sci. Instrum. 94, 073202 (2023).
Xu, X.-T. et al. Ultra-low noise magnetic field for quantum gases. Rev. Sci. Instrum. 90, 054708 (2019).
Cohen-Tannoudji, C., Diu, B. & Laloë, F. Quantum Mechanics, Vol. I, 522–523 (Wiley-VCH, 2020).
Riou, J.-F. et al. Theoretical tools for atom-laser-beam propagation. Phys. Rev. A 77, 033630 (2008).
Horikoshi, M. et al. Appropriate probe condition for absorption imaging of ultracold 6Li atoms. J. Phys. Soc. Japan 86, 104301 (2017).
Ockeloen, C. F., Tauschinsky, A. F., Spreeuw, R. J. C. & Whitlock, S. Detection of small atom numbers through image processing. Phys. Rev. A 82, 061606 (2010).
Stancik, A. L. & Brauns, E. B. A simple asymmetric lineshape for fitting infrared absorption spectra. Vib. Spectrosc. 47, 66–69 (2008).
