Spring 2027

Atomic and Quantum Physics

Advanced quantum mechanics covering atomic physics, special relativity, and applications to molecular, solid state, nuclear, particle physics, and quantum statistics.

offering recorded3 credits
Recorded instructors · Spring 2027 Jeffrey Schmidt3.1/5

Summary

1 / 6

Past student reviews · Thad Walker

One student rated the difficulty at 4 out of 5, indicating a challenging but manageable workload under Thad Walker's instruction.

What you’ll be able to do

  • Construct and manipulate multi-electron spin states using the principles of quantum angular momentum.

  • Calculate the effects of perturbations on quantum mechanical systems.

  • Calculate quantum-mechanical scattering using approximation and expansion techniques.

  • Quantize the electromagnetic field and calculate quantum states.

  • Calculate the interaction of light with atoms using the properties of quantized electromagnetic fields.

Source: UW Guide

Grade history

↗
average GPA
letter grades
A
AB
B
BC
C
D
F

All recorded terms · compare terms & instructors

Prerequisites

Course map

PHYSICS 448 or graduate/professional standing

PHYSICS 449 used by

“Used by” includes alternatives; linked courses may have other requirements. This is a best-effort interpretation; check the catalog requirements above.

Prerequisite text tree

Professors

Spring 2027
Adjusted rating
RMP difficulty
captured reviews
About this rating

Raw average: 2.91/5 from 75 quality ratings. The adjusted rating blends this with the UW review average (3.66/5), weighted as 20 additional ratings. Smaller samples stay closer to that average. Each captured review is counted once in the prior; this does not correct who chooses to leave a review.

RMP profile ↗ · All captured review dates; profile matched by name.

Recent recorded grades — Spring 2023: 3.29 GPA, 42.9% A/AB (n=35 letter grades); Spring 2024: 3.30 GPA, 53.7% A/AB (n=41 letter grades); Spring 2025: 3.50 GPA, 66.0% A/AB (n=50 letter grades).

Historical instructors & teaching patterns

JEFFREY SCHMIDT is recorded teaching in Spring 2022, Spring 2023, Spring 2024, Spring 2025. Recorded history may be incomplete and does not establish a future schedule.

THAD G. WALKER is recorded teaching in Spring 2012, Spring 2013, Spring 2014, Spring 2015, Spring 2016, Spring 2017, Spring 2018. Recorded history may be incomplete and does not establish a future schedule.

Recorded history may be incomplete and does not establish a future schedule.

Calendar & sections

Spring 2027

Schedule loads here as you scroll.

SectionModeEnrolled / capacityWaitlist
LEC 001Classroom Instruction0 / 600

Times are Central. Select a meeting for details; export includes recorded dates for the selected sections. Enrollment reflects scan time.

Meeting source records

Student experience

the class

Past student reviews · Thad Walker

A student who took the course with Thad Walker described it as the best class ever and credited the instructor with training them well for graduate school.

Recent recorded grades — Spring 2024: 3.30 GPA, 53.7% A/AB (n=41 letter grades); Spring 2025: 3.50 GPA, 66.0% A/AB (n=50 letter grades); Spring 2026: 3.64 GPA, 79.3% A/AB (n=29 letter grades).

difficulty & workload

Past student reviews · Thad Walker

One student rated the difficulty at 4 out of 5, indicating a challenging but manageable workload under Thad Walker's instruction.

Past student reviews · Thad Walker

Thad Walker told the class he thought of them as his surrogate children, and the reviewer noted that he clearly cared about his students.

Topics

  • Atomic and quantum phenomena, special relativity
  • Applications to molecular, solid state, nuclear, elementary particle physics, and quantum statistics
  • Multi-electron spin states and quantum angular momentum
  • Quantization of the electromagnetic field

Skills

  • Constructing and manipulating multi-electron spin states using quantum angular momentum
  • Calculating the effects of perturbations on quantum mechanical systems
  • Calculating quantum-mechanical scattering using approximation and expansion techniques
  • Quantizing the electromagnetic field and calculating quantum states
  • Calculating the interaction of light with atoms using quantized electromagnetic fields

Grades

Latest available · Spring 2026— not enough history to project Spring 2027.

average GPA
A / AB grades
letter grades
Instructor

Grade distribution · % of letter grades

A
AB
B
BC
C
D
F

Grades over time

Through Spring 2026

More grade details Grade mix, volume & source data

Not enough comparable courses for Spring 2027 in UW–Madison.

Sources & history

UW–Madison

Catalog & offerings

Descriptions, prerequisites, and recorded course offerings.

Catalog observation history

Observations at scan time; dates do not imply when a catalog change took effect.

Selected offering source records
PHYSICS 449 · Spring 2027

Atomic and Quantum Physics

Recorded 2026-10-14
Raw records
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    "run_id": "20261014T203208-0851c9a1",
    "semester": "1274",
    "observed_at": "2026-10-14 17:50:09.728220+00:00",
    "offering_id": "1274:754:015636",
    "course_id": "PHYSICS 449",
    "course_uid": "course_636c1d9dd40a99ce616834cd",
    "term_id": "1274",
    "source_course_id": "015636",
    "source_subject_id": "754",
    "title": "Atomic and Quantum Physics",
    "credits_min": 3,
    "credits_max": 3,
    "typically_offered": "Spring"
  }
]
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Student reviews

Original comments behind the course and instructor summaries.

Read original reviews
Madgrades

Grade history

Recorded grade distributions by term, section, and instructor.

Explore recorded grades
Model outputs & technical records
Qwen/Qwen3.8-27B
LLM outputs across runs
Full model traces

Recorded model configuration, reasoning, and tool conversations.

Model & dataset provenance
{
  "model": "Qwen/Qwen3.8-27B",
  "model_revision": "1d4bf0f2ff6012fd82039f2fa52739d0dd7c60c0",
  "task_version": "17",
  "output_id": "310c269c9fe7934a7c8ec3932d35fc7dcb36bea59c04368faf80bdac6ff8242d",
  "requirements_status": "valid",
  "dataset_revision": "fc1811fa52e581ea57a35c0cf3343f8740a8ffbf",
  "observed_at": "2026-10-14 17:50:09.728220+00:00"
}