# ADC

Performs Algebraic-Diagrammatic Construction (ADC) propagator computations for excited states.

## General

### CACHELEVEL

> How to cache quantities within the DPD library

> - Type: integer
> - Default: 2

### MEMORY

> The amount of memory available (in Mb)

> - Type: integer
> - Default: 1000

### NEWTON_CONVERGENCE

> The convergence criterion for pole searching step.

> - Type: conv double
> - Default: 1e-7

### NORM_TOLERANCE

> The cutoff norm of residual vector in SEM step.

> - Type: conv double
> - Default: 1e-6

### NUM_AMPS_PRINT

> Number of components of transition amplitudes printed

> - Type: integer
> - Default: 5

### POLE_MAXITER

> Maximum iteration number in pole searching

> - Type: integer
> - Default: 20

### PR

> Do use the partial renormalization scheme for the ground state wavefunction?

> - Type: boolean
> - Default: false

### REFERENCE

> Reference wavefunction type

> - Type: string
> - Possible Values: RHF
> - Default: RHF

### ROOTS_PER_IRREP

> The poles per irrep vector

> - Type: array
> - Default: No Default

### SEM_MAXITER

> Maximum iteration number in simultaneous expansion method

> - Type: integer
> - Default: 30