Presentation on theme: "PHYS 485 General Information"— Presentation transcript:
1 PHYS 485 General Information Physics 485 provides an introduction to quantum physics including suitable for majors in Physics, Electrical Engineering, Materials Science, Chemistry, and related Sciences.When:Lectures on Mondays and Wednesdays 2:00 - 3:20 pm.Midterms: Monday, Oct-14th and Wed, Nov-20thFinal: TBAWhere:Lectures and exams take place in: 136 Loomis Laboratory of Physics
2 PHYS 485 Contact InformationInstructor: Professor Matthias Grosse Perdekamp Office: 469 Loomis Laboratory Phone: (217) Office hours: Tuesday 5:00-6:00pmGrader: Tsung-Han Yeh Office: Loomis-MRL Interpass 390FPhone: no office phone Office hours: Tuesday 4:00-5:00pmFor course related if you would like a prompt reply make sure toplace “PHYS 485 “ into your subject lineCourse web-page:
3 PHYS 485 Grading PolicyCourse grades will be determined by the following percentages:Problem sets 45%Midterm I %Midterm II %Final exam 25%Final grade boundaries will be chosen such that NA++NA+NA- ~ 40% of NAlland similar for B letter grades .
4 PHYS 485 Homework10 problem, one per week. Problem sets will account for 45% of the final grade.Problem sets will be distributed by Wednesdays by the end of the dayand are due one week later, Wednesday in class.Late submission: 485 homework box, 2nd floor.Late deductions: 20% Wednesday 2.05pm to Thursday 6pm40% after Thursday 6pm to Friday 6pm100% after Friday 6pmSolutions will be posted on the course web-page on Monday morning andhomework will be returned during the Monday lectures.First homework: Wednesday Sep. 4th due Wednesday Sep. 11th.Problem sets aim to enhance your learning of the material. I encourage you toconsult with other students in the class on the problem sets, but remember thatyou will be on your own in the exams.TA and lecturer office hours are scheduled Tuesday afternoon.
5 PHYS 485 ExamsMidterms:There will be two midterm examination, given in class.Each midterm will account for 15% of your final grade.Midterm I (Monday, October-14, in class)Midterm II (Wednesday, November-20, in class)Final Exam:There will be a three-hour final exam, which will account for 25% of your final grade.The final exam will cover all course material.All exams are closed book. However, it is permitted to use a one page summaryof your own notes during the midterms and three pages for the final. Calculatorswill be necessary.About half of the exam problems will be taken from study lists of problems foreach exam and the homework.
6 Recommended Reading Textbook: Quantum Physics of Atoms, Molecules, Solids, Nuclei, and Particles , 2nd Edition,Robert Eisberg and Robert Resnick (1985).Other books you might want to consult:Quantum Physics, 3rd Edition,Stephen Gasiorowicz (2003).The Feynman Lectures on Physics, Vol.III,R. Feynman, R. Leighton, M. Sands (1964).As Reference for selected topics: Quantum Mechanics,C. Choen-Tannoudji, B. Diu, F. Laloe (1992).
7 PHYS 485 Makeup Time & DayPoll: What is the best time to schedule a Makeup Class if necessary?[I will try to avoid this but it might become necessary ~ 2 times,to acommodate travel to my experiment at BNL]Tuesday, Thursday, Friday2-3.20pm3-4.20pm4-5.20pm5-6.20pm6-7.20pm7-8.20pm8-9.20pmPlease raise your hand for times that will not work for you!
8 Quantum MechanicsScope: Quantitative description of phenomena observed in atoms,molecules, nuclei, elementary particles and condensed matter(in the non-relativistic limit).The goals of this course are to(a) review the basic concepts of quantum mechanics(b) study it’s applications for a broad range of differentareas: atoms, molecules, condensed matter and nuclei.
9 Why Quantum Mechanics ?In the late 19th and early 20th century physics experiments increasinglygain access to microscopic observables:However, attempts to describe atomic particles aspoint masses governed by the laws of classicalmechanics and field theory (E&M) fail for an increasingset of experimental observations.Examples:Thermal radiation : “ultraviolet catastrophe” for black body radiators( Wednesday!)Atomic spectra : discrete optical emission lines!Intrinsic orbitalangular momentum: spin phenomena, eg. Stern Gerlach experiment can notbe explained in the framework of classic physicsSuperconductivity : again, no classical explanation
10 A Current Example on How Well Classical Physics Works! Classical EM allows perfect description of currents andvoltages in case of an events that leads to the loss ofsuperconductivity in the g-2 magnet:Fit of classical transformereqns. to highly precise data !World largest superconducting solenoidupon arrival at Fermi-Lab in July 2013
11 Why Quantum Mechanics ?In the late 19th and early 20th century physics experiments increasinglygain access to microscopic observables:However, attempts to describe atomic particles aspoint masses governed by the laws of classicalmechanics and field theory (E&M) fail for an increasingset of experimental observations.Examples:Thermal radiation : “ultraviolet catastrophe” for black body radiators( Wednesday!)Atomic spectra : discrete optical emission lines!Intrinsic orbitalangular momentum: spin phenomena, eg. Stern Gerlach experiment can notbe explained in the framework of classic physicsSuperconductivity : again, no classical explanation
14 Classic Physics vs Quantum Mechanics I Classical mechanics
15 Classic Physics vs Quantum Mechanics II ElectrodynamicsFeatures of classical particles and waves: deterministic equations well defined quantities measurements can (in principle) beprecise and non-invasive
17 Classic Physics vs Quantum Mechanics IV Features of systems governed by quantum physics wave-particle duality interference uncertainty principle (fundamental limit on measurements) quantization of energy levels (atomic structure) entanglement (Schroedinger’s cat paradox, Einstein, PodolskyRosen, EPR, paradox) quantum statistics (Pauli exclusion principle, Bose condensation) condensed matter (superconductivity)Interpretation/philosophical issuesinteraction of measurements on system evolutioncausality, determinism
18 Historical benchmarks in the development of Quantum Mechanics
19 Historical benchmarks in the development of Quantum Mechanics