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Physics & Astronomy
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Home > Academics > Graduate Program > Graduate Degree Requirements

Requirements for the Ph.D. Degree

Students must pass preliminary written exams that demonstrate mastery of upper-level undergraduate material in classical mechanics, electricity and magnetism, quantum mechanics, and statistical physics and thermodynamics.  Students may take each exam each time it is offered and must pass all four exams by February of their second year.

Exams covering electricity and magnetism and quantum mechanics are given at the beginning of the fall term, and exams covering classical mechanics and statistical physics and thermodynamics are given in January, the week before the second term starts.  All four exams are given again in May.

After successfully completing the exams, students must pass a preliminary oral examination This exam is usually taken during the second year.

During the second year or early in the third year, students are expected to link up with an adviser and begin progress toward a thesis.  At that time the department forms a Thesis Committee for the student.  Shortly after, students must pass a University Graduate Board Oral Exam in which they demonstrate their general command of physics and/or astronomy and astrophysics.  the Thesis Committee checks annually whether the student makes steady progress toward his/her Ph.D. degree.  At the conclusion of thesis research, the student defends the written dissertation before a faculty committee.

Course Requirements for a Ph.D. in Physics

Students must complete the following courses:

  • 171.415-416 Mathematical Methods for Physicists
  • 171.601 Theoretical Mechanics or 171.703 Advanced Statistical Mechanics (first semester only)
  • 171.603-604 Electromagnetic Theory
  • 171.605-606 Quantum Mechanics
  • 173.308 Intermediate Physics Lab

            or

  • 173.607 Advanced Lab

            or

  • 173.712 Lab of Advanced Instrumentation

            (1 semester)

The Following two seminars are also required of all PhD candidates:

  1. Physics Seminar - 2 semesters - Mandatory for all first year graduates
  2. Intermediate Seminar - 2 semesters - Mandatory for all second year graduates

Course Requirements for a Ph.D. in Astronomy and Astrophysics

Students must complete the following courses:

  • 171.415-416 Mathematical Methods for Physicists, or equivalent
  • 171.611 Stellar Structure and Evolution
  • 171.612 Interstellar Medium and Astrophysical Fluid Dynamics
  • 171.613 Radiative Astrophysics
  • 171.615 Galactic Structure and Stellar Dynamics
  • 171.617 Extragalactic Astronomy

They must also complete two semesters drawn from the following list of graduate level optional courses as offered:

  • 171.605-606 Quantum Mechanics
  • 171.618 Observational Astronomy (strongly recommended for students planning to do an observational thesis)
  • 171.626 Statistical Methods for Physics and Astronomy
  • 171.672 Introduction to Plasma Physics and Atomic Processes in Hot Plasmas
  • 171.743-744 Particle Physics and Cosmology
  • 171.746 General Relativity and Cosmology
  • 171.750 Cosmology
  • 171.754 Active Galactic Nuclei
  • 171.755 Fourier Optics and Interferometry
  • 171.756 Astrophysics of Compact Objects
  • 173.607-608 Advanced Laboratory

or

  • 173.712 Lab of Advanced Instrumentation
  • 270.623 Planetary Atmospheres
  • 270.661 Planetary Fluid Dynamics

The course, Language of Astrophysics, although it is not required is strongly recommended.  The following two seminars are also required of all PhD candidates:

  1. Physics Seminar - 2 semesters - Mandatory for all first year graduates
  2. Intermediate Seminar - 2 semesters - Mandatory for all second year graduates

Students in both programs must receive at least a B- in each required course, or they will be required to retake the specific course once more and pass it.

Requirements for the M.A. Degree

Students in the department’s Ph.D. program, and students in other Ph.D. programs at Johns Hopkins, may apply to fulfill the requirements for the M.A. degree in the Department of  Physics and Astronomy.

Course Requirements

Students must master the basic undergraduate material covered by the following courses:

  • 171.204 Classical Mechanics
  • 171.301-302 Electromagnetic Theory
  • 171.303-304 Quantum Mechanics
  • 171.312 Statistical Mechanics and Thermodynamics

Passing the equivalent preliminary written examination satisfies this requirement.  Courses taken elsewhere may qualify at the discretion of the Graduate Program Committee.

Students must also complete six one-semester graduate-level (at least three hours/week) courses offered by the Department of Physics and Astronomy.  For this purpose, each semester of 171.415-416 (Mathematical Methods for Physicists) counts as a graduate-level course.  In addition, 171.801 or 802 (Independent Graduate Research) may be substituted for any of the above-mentioned graduate or undergraduate courses.  The research course must include an essay supervised and approved by a  faculty member of the Department of Physics and Astronomy.

The student must receive a grad of B- or above in each of the courses.  The graduate level courses may be retaken once; the undergraduate courses cannot be repeated.  Each preliminary written examination can be taken only three times.  The deadline to fulfill all requirements is the date of the Ph.D. thesis defense.

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