CV Lattes
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Universidade de São Paulo (USP). Instituto de Física de São Carlos (IFSC) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Patricia C. M. Castilho did her PhD in Physics (2017) at the University of São Paulo (USP) in Brazil under the supervision of Vanderlei S. Bagnato, developing a new experimental system to produce two-species Bose-Einstein condensates and study miscibility phenomena and binary quantum turbulence. From 2017 to 2019, she was a post-doctoral fellow at LKB (Laboratories Kastler Brossel) and Collège de France in the group of Jean Dalibard, where she studied the properties of two-dimensional Bose gases, in particular, discovering a new type of breather and realizing well-controlled Townes solitons. She is currently an associate professor at the São Carlos Institute of Physics (IFSC-USP), in São Carlos, where she studies the superfluid properties of bi- and tridimensional quantum gases, giving special focus to phase transitions and the dynamics of quantum vortices. She is the responsible for two research grants, the "Projeto Inicial" (PI) from FAPESP (Process: 2022/02709-6) and the "Projeto CNPq Universal" (Processo: 406900/2023-0) and a grantee from the Serrapilheira Institute (https://serrapilheira.org/ano/chamada-publica-no-7-2023-ciencia/).She has experience in Physics, focusing on experimental Atomic and Molecular Physics; cold atoms and Bose-Einstein condensation; Superfluidity; Quantum Turbulence; Two-dimensional atomic gases. (Source: Lattes Curriculum)
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I will use a new experimental system producing two-dimensional (2D) ultracold quantum gases as a quantum simulator platform [1] to exploit the interplay between coherent superflow and dissipative mechanisms increasing our understanding of how such mechanisms affect the superfluid state of a quantum many-body system. By following the trajectories of deterministically created vortices in a …
In QuVort2D we propose to study the vortex and vortex-dipole dynamics in two complementary experimental platforms working with two-dimensional (2D) bosonic (IFSC-team) and fermionic (INO-CNR team) atomic superfluids trapped in box-like optical potentials. Vortices will be produced via hydrodynamic instability or on-demand with sophisticated vortex imprinting methods. The limits of few-vor…
In low dimensional systems, thermal and quantum fluctuations have a more predominant role inhibiting the achievement of long-range order for any finite temperature. As a consequence, usual second-order phase transitions, such as the freezing of water of the Bose-Einstein condensation in a system of bosonic particles, are forbidden in lower dimensions. Two-dimensional (2D) systems are inte…
In this scientific initiation project, we propose to study the dynamics of the evaporative cooling process towards Bose-Einstein condensation in a potassium-39 atomic cloud trapped in a crossed optical trap. Using the Feshbach resonance technique capable of changing the atomic interaction of potassium-39 atoms, it will be possible to explore the competition between the increase in two-bod…
Manipulating the internal state of atoms is a powerful tool when dealing with ultracold atomic systems. Radiofrequency and microwave transitions are widely used with this purpose enabling a partial or a full transfer between the different hyperfine states. This technique can be used to produce atomic mixtures of the same atomic species and to selectively image a fraction of the atomic clo…
Quantum vortices, observed in different experimental platforms ranging from liquid helium [1-mirror] to ultracold atomic gases [2-mirror] are a hallmark of superfluidity and a key ingredient in explaining type-II superconductivity [3-mirror]. In usual three-dimensional (3D) systems, these vortices are lines which interact and may bend, tangle and reconnect [3]. Reducing the system's dimen…
(Only some records are available in English at this moment)
Two-dimensional (2D) quantum gases are produced from three-dimensional (3D) gases strongly confined in one direction of space. Usually, the strong confinement is produced by an optical lattice which results in a harmonic trapping potential for the atomic cloud. The condition for reaching the 2D regime will depend on the comparison between the thermal energy of the atomic cloud and the gro…
Two-dimensional (2D) ultracold gases are produced from three-dimensional (3D) gases strongly confined in one direction of space. Therefore, optimizing the experimental sequence until the achievement of a 3D Bose-Einstein condensate is important to achieve large atom numbers when entering the 2D regime. Fast and efficient production of Bose- Einstein condensates of potassium-39 can be achi…
Quantum gases experiments configure a very flexible platform where all system's parameters can be fully controlled. The possibility of changing the nature (attractive or repulsive) and the strength of the interatomic interactions via Feshbach resonances [1] have open up the possibility to produce unitary and almost ideal atomic gases, and to study specific Hamiltonians and new states of m…
(Only some records are available in English at this moment)
| 3 / 3 | Ongoing grants |
| 1 / 1 | Completed research grants |
| 5 / 5 | Ongoing scholarships in Brazil |
| 8 / 8 | Completed scholarships in Brazil |
| 17 / 17 | All research grants and scholarships |
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