Browsing Departament de Física Aplicada (fins octubre de 2015) by Subject "539"

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Characterization of the structure, stability, mechanical and electrochemical properties of metallic glasses

Duarte Correa, María Jazmín (Date of defense: 2013-05-31)

Metallic glasses are often referred as glassy or amorphous alloys. They lack long-range order and microstructural defects that are characteristics in crystals, such as grain and phase boundaries and dislocations. These new ...

Monte Carlo study of quantum phase transitions at zero temperature

Osychenko, Oleg N. (Date of defense: 2012-12-20)

The Thesis is devoted to simulations of quantum phase transitions by means of Quantum Monte Carlo techniques. Quantum phase transition is a transition between phases at zero or low enough temperature, where quantum effects ...

Path integral Monte Carlo. Algorithms and applications to quantum fluids

Brualla Barberà, Llorenç (Date of defense: 2002-07-11)

Path integral Monte Carlo (PIMC) is a method suitable for quantum liquid simulations at finite temperature. We present in this thesis a study of PIMC dealing with the theory and algorithms related to it, and then two ...

Relaxation dynamics in disordered systems

Romanini, Michela (Date of defense: 2015-07-22)

The nature of the glass transition and of the glassy state is a fundamental and still unsolved problem of condensed matter physics. Many liquids can be supercooled below their melting point without crystallizing, that is, ...