Course
Lecturer: Giacomo Zuccarini (University of Lubiana)
Board Contact: Lorenzo Santi
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SSD: MATH-01/A
CFU: 4 CFU + assignment: 2 CFU
Period: April 2025
Lessons / Hours: 16 hours, 8 Lectures
Program:
- Introduction to quantum physics / Building a model of quantum measurement, observable, state, vector, superposition, interference, entanglement in the context of polarization: from the exploration of the interaction of macroscopic beams with polarizing filters and calcite crystals to a single photon model
- Computational approach to problems: physics & logic in classical computation / Describing the basics of computation, linking logical 1 aspects (software) to physical ones (hardware); computing classical logic circuits; interpreting and solving the “problem of the coin” in a computational framework
- From bit to qubit: one-qubit computation / Describing the basics of quantum computation with one qubit; describing the vector formulation of logic gates (X, H, Z) and their geometric interpretation; algebraic and geometric computing of quantum logic circuits
- Building a polarization model for computation / Discussing the transition from the classical wave model 1 of polarization to a single photon model; using it to encode a qubit; modelling X, H, Z gates in a polarization encoding: converting logic circuits into optical ones
- Building a which-path model for computation / Discussing the transition from the classical model of beam-splitting to a single photon model; using it to encode a qubit; modelling X, H, Z, gates in a which-path encoding; converting logic circuits into optical ones
- Building a model of multi-qubit computation in the two encodings of a photon / Describing the basic properties of entangled qubit states; explaining separable/entangling gates: modelling two-qubit gates in the two encodings of a single photon; converting logic circuits into optical ones
- The Deutsch algorithm / Analyzing the internal structure of the algorithm and 2 interpreting it as a solution to the “problem of the coin”; identifying the different forms of quantum advantage by comparing the classical and quantum version of the algorithm; designing an optical circuit with photon polarization- and which-path-encoded qubits
- Discussing real lab activities / Discussing and commenting a movie on the experimental realization of some of the circuits designed during the course
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Verification: Written Test
Prerequisites: Vector algebra, Wave reflection and refraction.